Heads up:
There are no amended sections in this chapter.
This chapter shall govern the design, installation, modification and maintenance of piping systems. The applicability of this code to piping systems extends from the point of delivery to the connections with the appliances and includes the design, materials, components, fabrication, assembly, installation, testing, inspection, operation and maintenance of such piping systems.
Utility service piping located within buildings shall be installed in accordance with the structural safety and fire protection provisions of the Florida Building Code, Building.
The storage system for liquefied petroleum gas shall be designed and installed in accordance with the Florida Fire Prevention Code and NFPA 58.
In modifying or adding to existing piping systems, sizes shall be maintained in accordance with this chapter.
Where an additional appliance is to be served, the existing piping shall be checked to determine if it has adequate capacity for all appliances served. If inadequate, the existing system shall be enlarged as required or separate piping of adequate capacity shall be provided.
Where two or more meters are installed on the same premises but supply separate consumers, the piping systems shall not be interconnected on the outlet side of the meters.
Piping from multiple meter installations shall be marked with an approved permanent identification by the installer so that the piping system supplied by each meter is readily identifiable.
Pipe utilized for the installation, extension and alteration of any piping system shall be sized to supply the full number of outlets for the intended purpose and shall be sized in accordance with Section 402.
Piping, tubing and fittings shall be manufactured to the applicable referenced standards, specifications and performance criteria listed in Section 403 of this code and shall be identified in accordance with Section 401.9.
Piping systems shall be of such size and so installed as to provide a supply of gas sufficient to meet the maximum demand and supply gas to each appliance inlet at not less than the minimum supply pressure required by the appliance.
The volumetric flow rate of gas to be provided shall be the sum of the maximum input of the appliances served.
The total connected hourly load shall be used as the basis for pipe sizing, assuming that all appliances could be operating at full capacity simultaneously. Where a diversity of load can be established, pipe sizing shall be permitted to be based on such loads.
The volumetric flow rate of gas to be provided shall be adjusted for altitude where the installation is above 2,000 feet (610 m) in elevation.
Gas piping shall be sized in accordance with one of the following:
- Pipe sizing tables or sizing equations in accordance with Section 402.4.
- The sizing tables included in a listed piping system's manufacturer's installation instructions.
- Other approved engineering methods.
Where Tables 402.4(1) through 402.4(37) are used to size piping or tubing, the pipe length shall be determined in accordance with Section 402.4.1, 402.4.2 or 402.4.3.
Where Equations 4-1 and 4-2 are used to size piping or tubing, the pipe or tubing shall have smooth inside walls and the pipe length shall be determined in accordance with Section 402.4.1, 402.4.2 or 402.4.3.
- Low-pressure gas equation [Less than 11/2 pounds per square inch (psi) (10.3 kPa)]:(Equation 4-1)
- High-pressure gas equation [11/2 psi (10.3 kPa) and above]:(Equation 4-2)where:D = Inside diameter of pipe, inches (mm).Q = Input rate appliance(s), cubic feet per hour at 60°F (16°C) and 30-inch mercury column.P1 = Upstream pressure, psia (P1 + 14.7).P2 = Downstream pressure, psia (P2 + 14.7).L = Equivalent length of pipe, feet.ΔH = Pressure drop, inch water column (27.7 inch water column = 1 psi).
Cr AND Y VALUES FOR NATURAL GAS AND UNDILUTED PROPANE AT STANDARD CONDITIONS
GAS | EQUATION FACTORS | ||
Cr | Y | ||
Natural gas | 0.6094 | 0.9992 | |
Undiluted propane | 1.2462 | 0.9910 |
For SI: 1 cubic foot = 0.028 m3, 1 foot = 305 mm, 1-inch water column = 0.2488 kPa, 1 pound per square inch = 6.895 kPa, 1 British thermal unit per hour = 0.293 W.
SCHEDULE 40 METALLIC PIPE
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 0.3 in. w.c. |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | ||||||||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 | 5.047 | 6.065 | 7.981 | 10.020 | 11.938 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||||||
10 | 131 | 273 | 514 | 1,060 | 1,580 | 3,050 | 4,860 | 8,580 | 17,500 | 31,700 | 51,300 | 105,000 | 191,000 | 303,000 |
20 | 90 | 188 | 353 | 726 | 1,090 | 2,090 | 3,340 | 5,900 | 12,000 | 21,800 | 35,300 | 72,400 | 132,000 | 208,000 |
30 | 72 | 151 | 284 | 583 | 873 | 1,680 | 2,680 | 4,740 | 9,660 | 17,500 | 28,300 | 58,200 | 106,000 | 167,000 |
40 | 62 | 129 | 243 | 499 | 747 | 1,440 | 2,290 | 4,050 | 8,270 | 15,000 | 24,200 | 49,800 | 90,400 | 143,000 |
50 | 55 | 114 | 215 | 442 | 662 | 1,280 | 2,030 | 3,590 | 7,330 | 13,300 | 21,500 | 44,100 | 80,100 | 127,000 |
60 | 50 | 104 | 195 | 400 | 600 | 1,160 | 1,840 | 3,260 | 6,640 | 12,000 | 19,500 | 40,000 | 72,600 | 115,000 |
70 | 46 | 95 | 179 | 368 | 552 | 1,060 | 1,690 | 3,000 | 6,110 | 11,100 | 17,900 | 36,800 | 66,800 | 106,000 |
80 | 42 | 89 | 167 | 343 | 514 | 989 | 1,580 | 2,790 | 5,680 | 10,300 | 16,700 | 34,200 | 62,100 | 98,400 |
90 | 40 | 83 | 157 | 322 | 482 | 928 | 1,480 | 2,610 | 5,330 | 9,650 | 15,600 | 32,100 | 58,300 | 92,300 |
100 | 38 | 79 | 148 | 304 | 455 | 877 | 1,400 | 2,470 | 5,040 | 9,110 | 14,800 | 30,300 | 55,100 | 87,200 |
125 | 33 | 70 | 131 | 269 | 403 | 777 | 1,240 | 2,190 | 4,460 | 8,080 | 13,100 | 26,900 | 48,800 | 77,300 |
150 | 30 | 63 | 119 | 244 | 366 | 704 | 1,120 | 1,980 | 4,050 | 7,320 | 11,900 | 24,300 | 44,200 | 70,000 |
175 | 28 | 58 | 109 | 224 | 336 | 648 | 1,030 | 1,820 | 3,720 | 6,730 | 10,900 | 22,400 | 40,700 | 64,400 |
200 | 26 | 54 | 102 | 209 | 313 | 602 | 960 | 1,700 | 3,460 | 6,260 | 10,100 | 20,800 | 37,900 | 59,900 |
250 | 23 | 48 | 90 | 185 | 277 | 534 | 851 | 1,500 | 3,070 | 5,550 | 8,990 | 18,500 | 33,500 | 53,100 |
300 | 21 | 43 | 82 | 168 | 251 | 484 | 771 | 1,360 | 2,780 | 5,030 | 8,150 | 16,700 | 30,400 | 48,100 |
350 | 19 | 40 | 75 | 154 | 231 | 445 | 709 | 1,250 | 2,560 | 4,630 | 7,490 | 15,400 | 28,000 | 44,300 |
400 | 18 | 37 | 70 | 143 | 215 | 414 | 660 | 1,170 | 2,380 | 4,310 | 6,970 | 14,300 | 26,000 | 41,200 |
450 | 17 | 35 | 66 | 135 | 202 | 389 | 619 | 1,090 | 2,230 | 4,040 | 6,540 | 13,400 | 24,400 | 38,600 |
500 | 16 | 33 | 62 | 127 | 191 | 367 | 585 | 1,030 | 2,110 | 3,820 | 6,180 | 12,700 | 23,100 | 36,500 |
550 | 15 | 31 | 59 | 121 | 181 | 349 | 556 | 982 | 2,000 | 3,620 | 5,870 | 12,100 | 21,900 | 34,700 |
600 | 14 | 30 | 56 | 115 | 173 | 333 | 530 | 937 | 1,910 | 3,460 | 5,600 | 11,500 | 20,900 | 33,100 |
650 | 14 | 29 | 54 | 110 | 165 | 318 | 508 | 897 | 1,830 | 3,310 | 5,360 | 11,000 | 20,000 | 31,700 |
700 | 13 | 27 | 52 | 106 | 159 | 306 | 488 | 862 | 1,760 | 3,180 | 5,150 | 10,600 | 19,200 | 30,400 |
750 | 13 | 26 | 50 | 102 | 153 | 295 | 470 | 830 | 1,690 | 3,060 | 4,960 | 10,200 | 18,500 | 29,300 |
800 | 12 | 26 | 48 | 99 | 148 | 285 | 454 | 802 | 1,640 | 2,960 | 4,790 | 9,840 | 17,900 | 28,300 |
850 | 12 | 25 | 46 | 95 | 143 | 275 | 439 | 776 | 1,580 | 2,860 | 4,640 | 9,530 | 17,300 | 27,400 |
900 | 11 | 24 | 45 | 93 | 139 | 267 | 426 | 752 | 1,530 | 2,780 | 4,500 | 9,240 | 16,800 | 26,600 |
950 | 11 | 23 | 44 | 90 | 135 | 259 | 413 | 731 | 1,490 | 2,700 | 4,370 | 8,970 | 16,300 | 25,800 |
1,000 | 11 | 23 | 43 | 87 | 131 | 252 | 402 | 711 | 1,450 | 2,620 | 4,250 | 8,720 | 15,800 | 25,100 |
1,100 | 10 | 21 | 40 | 83 | 124 | 240 | 382 | 675 | 1,380 | 2,490 | 4,030 | 8,290 | 15,100 | 23,800 |
1,200 | NA | 20 | 39 | 79 | 119 | 229 | 364 | 644 | 1,310 | 2,380 | 3,850 | 7,910 | 14,400 | 22,700 |
1,300 | NA | 20 | 37 | 76 | 114 | 219 | 349 | 617 | 1,260 | 2,280 | 3,680 | 7,570 | 13,700 | 21,800 |
1,400 | NA | 19 | 35 | 73 | 109 | 210 | 335 | 592 | 1,210 | 2,190 | 3,540 | 7,270 | 13,200 | 20,900 |
1,500 | NA | 18 | 34 | 70 | 105 | 203 | 323 | 571 | 1,160 | 2,110 | 3,410 | 7,010 | 12,700 | 20,100 |
1,600 | NA | 18 | 33 | 68 | 102 | 196 | 312 | 551 | 1,120 | 2,030 | 3,290 | 6,770 | 12,300 | 19,500 |
1,700 | NA | 17 | 32 | 66 | 98 | 189 | 302 | 533 | 1,090 | 1,970 | 3,190 | 6,550 | 11,900 | 18,800 |
1,800 | NA | 16 | 31 | 64 | 95 | 184 | 293 | 517 | 1,050 | 1,910 | 3,090 | 6,350 | 11,500 | 18,300 |
1,900 | NA | 16 | 30 | 62 | 93 | 178 | 284 | 502 | 1,020 | 1,850 | 3,000 | 6,170 | 11,200 | 17,700 |
2,000 | NA | 16 | 29 | 60 | 90 | 173 | 276 | 488 | 1,000 | 1,800 | 2,920 | 6,000 | 10,900 | 17,200 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- NA means a flow of less than 10 cfh.
- All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | ||||||||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 | 5.047 | 6.065 | 7.981 | 10.020 | 11.938 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||||||
10 | 172 | 360 | 678 | 1,390 | 2,090 | 4,020 | 6,400 | 11,300 | 23,100 | 41,800 | 67,600 | 139,000 | 252,000 | 399,000 |
20 | 118 | 247 | 466 | 957 | 1,430 | 2,760 | 4,400 | 7,780 | 15,900 | 28,700 | 46,500 | 95,500 | 173,000 | 275,000 |
30 | 95 | 199 | 374 | 768 | 1,150 | 2,220 | 3,530 | 6,250 | 12,700 | 23,000 | 37,300 | 76,700 | 139,000 | 220,000 |
40 | 81 | 170 | 320 | 657 | 985 | 1,900 | 3,020 | 5,350 | 10,900 | 19,700 | 31,900 | 65,600 | 119,000 | 189,000 |
50 | 72 | 151 | 284 | 583 | 873 | 1,680 | 2,680 | 4,740 | 9,660 | 17,500 | 28,300 | 58,200 | 106,000 | 167,000 |
60 | 65 | 137 | 257 | 528 | 791 | 1,520 | 2,430 | 4,290 | 8,760 | 15,800 | 25,600 | 52,700 | 95,700 | 152,000 |
70 | 60 | 126 | 237 | 486 | 728 | 1,400 | 2,230 | 3,950 | 8,050 | 14,600 | 23,600 | 48,500 | 88,100 | 139,000 |
80 | 56 | 117 | 220 | 452 | 677 | 1,300 | 2,080 | 3,670 | 7,490 | 13,600 | 22,000 | 45,100 | 81,900 | 130,000 |
90 | 52 | 110 | 207 | 424 | 635 | 1,220 | 1,950 | 3,450 | 7,030 | 12,700 | 20,600 | 42,300 | 76,900 | 122,000 |
100 | 50 | 104 | 195 | 400 | 600 | 1,160 | 1,840 | 3,260 | 6,640 | 12,000 | 19,500 | 40,000 | 72,600 | 115,000 |
125 | 44 | 92 | 173 | 355 | 532 | 1,020 | 1,630 | 2,890 | 5,890 | 10,600 | 17,200 | 35,400 | 64,300 | 102,000 |
150 | 40 | 83 | 157 | 322 | 482 | 928 | 1,480 | 2,610 | 5,330 | 9,650 | 15,600 | 32,100 | 58,300 | 92,300 |
175 | 37 | 77 | 144 | 296 | 443 | 854 | 1,360 | 2,410 | 4,910 | 8,880 | 14,400 | 29,500 | 53,600 | 84,900 |
200 | 34 | 71 | 134 | 275 | 412 | 794 | 1,270 | 2,240 | 4,560 | 8,260 | 13,400 | 27,500 | 49,900 | 79,000 |
250 | 30 | 63 | 119 | 244 | 366 | 704 | 1,120 | 1,980 | 4,050 | 7,320 | 11,900 | 24,300 | 44,200 | 70,000 |
300 | 27 | 57 | 108 | 221 | 331 | 638 | 1,020 | 1,800 | 3,670 | 6,630 | 10,700 | 22,100 | 40,100 | 63,400 |
350 | 25 | 53 | 99 | 203 | 305 | 587 | 935 | 1,650 | 3,370 | 6,100 | 9,880 | 20,300 | 36,900 | 58,400 |
400 | 23 | 49 | 92 | 189 | 283 | 546 | 870 | 1,540 | 3,140 | 5,680 | 9,190 | 18,900 | 34,300 | 54,300 |
450 | 22 | 46 | 86 | 177 | 266 | 512 | 816 | 1,440 | 2,940 | 5,330 | 8,620 | 17,700 | 32,200 | 50,900 |
500 | 21 | 43 | 82 | 168 | 251 | 484 | 771 | 1,360 | 2,780 | 5,030 | 8,150 | 16,700 | 30,400 | 48,100 |
550 | 20 | 41 | 78 | 159 | 239 | 459 | 732 | 1,290 | 2,640 | 4,780 | 7,740 | 15,900 | 28,900 | 45,700 |
600 | 19 | 39 | 74 | 152 | 228 | 438 | 699 | 1,240 | 2,520 | 4,560 | 7,380 | 15,200 | 27,500 | 43,600 |
650 | 18 | 38 | 71 | 145 | 218 | 420 | 669 | 1,180 | 2,410 | 4,360 | 7,070 | 14,500 | 26,400 | 41,800 |
700 | 17 | 36 | 68 | 140 | 209 | 403 | 643 | 1,140 | 2,320 | 4,190 | 6,790 | 14,000 | 25,300 | 40,100 |
750 | 17 | 35 | 66 | 135 | 202 | 389 | 619 | 1,090 | 2,230 | 4,040 | 6,540 | 13,400 | 24,400 | 38,600 |
800 | 16 | 34 | 63 | 130 | 195 | 375 | 598 | 1,060 | 2,160 | 3,900 | 6,320 | 13,000 | 23,600 | 37,300 |
850 | 16 | 33 | 61 | 126 | 189 | 363 | 579 | 1,020 | 2,090 | 3,780 | 6,110 | 12,600 | 22,800 | 36,100 |
900 | 15 | 32 | 59 | 122 | 183 | 352 | 561 | 992 | 2,020 | 3,660 | 5,930 | 12,200 | 22,100 | 35,000 |
950 | 15 | 31 | 58 | 118 | 178 | 342 | 545 | 963 | 1,960 | 3,550 | 5,760 | 11,800 | 21,500 | 34,000 |
1,000 | 14 | 30 | 56 | 115 | 173 | 333 | 530 | 937 | 1,910 | 3,460 | 5,600 | 11,500 | 20,900 | 33,100 |
1,100 | 14 | 28 | 53 | 109 | 164 | 316 | 503 | 890 | 1,810 | 3,280 | 5,320 | 10,900 | 19,800 | 31,400 |
1,200 | 13 | 27 | 51 | 104 | 156 | 301 | 480 | 849 | 1,730 | 3,130 | 5,070 | 10,400 | 18,900 | 30,000 |
1,300 | 12 | 26 | 49 | 100 | 150 | 289 | 460 | 813 | 1,660 | 3,000 | 4,860 | 9,980 | 18,100 | 28,700 |
1,400 | 12 | 25 | 47 | 96 | 144 | 277 | 442 | 781 | 1,590 | 2,880 | 4,670 | 9,590 | 17,400 | 27,600 |
1,500 | 11 | 24 | 45 | 93 | 139 | 267 | 426 | 752 | 1,530 | 2,780 | 4,500 | 9,240 | 16,800 | 26,600 |
1,600 | 11 | 23 | 44 | 89 | 134 | 258 | 411 | 727 | 1,480 | 2,680 | 4,340 | 8,920 | 16,200 | 25,600 |
1,700 | 11 | 22 | 42 | 86 | 130 | 250 | 398 | 703 | 1,430 | 2,590 | 4,200 | 8,630 | 15,700 | 24,800 |
1,800 | 10 | 22 | 41 | 84 | 126 | 242 | 386 | 682 | 1,390 | 2,520 | 4,070 | 8,370 | 15,200 | 24,100 |
1,900 | 10 | 21 | 40 | 81 | 122 | 235 | 375 | 662 | 1,350 | 2,440 | 3,960 | 8,130 | 14,800 | 23,400 |
2,000 | NA | 20 | 39 | 79 | 119 | 229 | 364 | 644 | 1,310 | 2,380 | 3,850 | 7,910 | 14,400 | 22,700 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- NA means a flow of less than 10 cfh.
- All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 3.0 in. w.c. |
Specific Gravity | 0.60 |
INTENDED USE: Initial supply pressure of 8.0 inches w.c. or greater | |||||||||
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | ||||||||
10 | 454 | 949 | 1,790 | 3,670 | 5,500 | 10,600 | 16,900 | 29,800 | 60,800 |
20 | 312 | 652 | 1,230 | 2,520 | 3,780 | 7,280 | 11,600 | 20,500 | 41,800 |
30 | 250 | 524 | 986 | 2,030 | 3,030 | 5,840 | 9,310 | 16,500 | 33,600 |
40 | 214 | 448 | 844 | 1,730 | 2,600 | 5,000 | 7,970 | 14,100 | 28,700 |
50 | 190 | 397 | 748 | 1,540 | 2,300 | 4,430 | 7,070 | 12,500 | 25,500 |
60 | 172 | 360 | 678 | 1,390 | 2,090 | 4,020 | 6,400 | 11,300 | 23,100 |
70 | 158 | 331 | 624 | 1,280 | 1,920 | 3,700 | 5,890 | 10,400 | 21,200 |
80 | 147 | 308 | 580 | 1,190 | 1,790 | 3,440 | 5,480 | 9,690 | 19,800 |
90 | 138 | 289 | 544 | 1,120 | 1,680 | 3,230 | 5,140 | 9,090 | 18,500 |
100 | 131 | 273 | 514 | 1,060 | 1,580 | 3,050 | 4,860 | 8,580 | 17,500 |
125 | 116 | 242 | 456 | 936 | 1,400 | 2,700 | 4,300 | 7,610 | 15,500 |
150 | 105 | 219 | 413 | 848 | 1,270 | 2,450 | 3,900 | 6,890 | 14,100 |
175 | 96 | 202 | 380 | 780 | 1,170 | 2,250 | 3,590 | 6,340 | 12,900 |
200 | 90 | 188 | 353 | 726 | 1,090 | 2,090 | 3,340 | 5,900 | 12,000 |
250 | 80 | 166 | 313 | 643 | 964 | 1,860 | 2,960 | 5,230 | 10,700 |
300 | 72 | 151 | 284 | 583 | 873 | 1,680 | 2,680 | 4,740 | 9,700 |
350 | 66 | 139 | 261 | 536 | 803 | 1,550 | 2,470 | 4,360 | 8,900 |
400 | 62 | 129 | 243 | 499 | 747 | 1,440 | 2,290 | 4,060 | 8,300 |
450 | 58 | 121 | 228 | 468 | 701 | 1,350 | 2,150 | 3,800 | 7,800 |
500 | 55 | 114 | 215 | 442 | 662 | 1,280 | 2,030 | 3,590 | 7,300 |
550 | 52 | 109 | 204 | 420 | 629 | 1,210 | 1,930 | 3,410 | 7,000 |
600 | 50 | 104 | 195 | 400 | 600 | 1,160 | 1,840 | 3,260 | 6,640 |
650 | 47 | 99 | 187 | 384 | 575 | 1,110 | 1,760 | 3,120 | 6,360 |
700 | 46 | 95 | 179 | 368 | 552 | 1,060 | 1,700 | 3,000 | 6,110 |
750 | 44 | 92 | 173 | 355 | 532 | 1,020 | 1,630 | 2,890 | 5,890 |
800 | 42 | 89 | 167 | 343 | 514 | 989 | 1,580 | 2,790 | 5,680 |
850 | 41 | 86 | 162 | 332 | 497 | 957 | 1,530 | 2,700 | 5,500 |
900 | 40 | 83 | 157 | 322 | 482 | 928 | 1,480 | 2,620 | 5,330 |
950 | 39 | 81 | 152 | 312 | 468 | 901 | 1,440 | 2,540 | 5,180 |
1,000 | 38 | 79 | 148 | 304 | 455 | 877 | 1,400 | 2,470 | 5,040 |
1,100 | 36 | 75 | 141 | 289 | 432 | 833 | 1,330 | 2,350 | 4,780 |
1,200 | 34 | 71 | 134 | 275 | 412 | 794 | 1,270 | 2,240 | 4,560 |
1,300 | 33 | 68 | 128 | 264 | 395 | 761 | 1,210 | 2,140 | 4,370 |
1,400 | 31 | 65 | 123 | 253 | 379 | 731 | 1,170 | 2,060 | 4,200 |
1,500 | 30 | 63 | 119 | 244 | 366 | 704 | 1,120 | 1,980 | 4,050 |
1,600 | 29 | 61 | 115 | 236 | 353 | 680 | 1,080 | 1,920 | 3,910 |
1,700 | 28 | 59 | 111 | 228 | 342 | 658 | 1,050 | 1,850 | 3,780 |
1,800 | 27 | 57 | 108 | 221 | 331 | 638 | 1,020 | 1,800 | 3,670 |
1,900 | 27 | 56 | 105 | 215 | 322 | 619 | 987 | 1,750 | 3,560 |
2,000 | 26 | 54 | 102 | 209 | 313 | 602 | 960 | 1,700 | 3,460 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 6.0 in. w.c. |
Specific Gravity | 0.60 |
INTENDED USE: Initial supply pressure of 11.0 inches w.c. or greater | |||||||||
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | ||||||||
10 | 660 | 1,380 | 2,600 | 5,340 | 8,000 | 15,400 | 24,600 | 43,400 | 88,500 |
20 | 454 | 949 | 1,790 | 3,670 | 5,500 | 10,600 | 16,900 | 29,900 | 60,800 |
30 | 364 | 762 | 1,440 | 2,950 | 4,420 | 8,500 | 13,600 | 24,000 | 48,900 |
40 | 312 | 652 | 1,230 | 2,520 | 3,780 | 7,280 | 11,600 | 20,500 | 41,800 |
50 | 276 | 578 | 1,090 | 2,240 | 3,350 | 6,450 | 10,300 | 18,200 | 37,100 |
60 | 250 | 524 | 986 | 2,030 | 3,030 | 5,840 | 9,310 | 16,500 | 33,600 |
70 | 230 | 482 | 907 | 1,860 | 2,790 | 5,380 | 8,570 | 15,100 | 30,900 |
80 | 214 | 448 | 844 | 1,730 | 2,600 | 5,000 | 7,970 | 14,100 | 28,700 |
90 | 201 | 420 | 792 | 1,630 | 2,440 | 4,690 | 7,480 | 13,200 | 27,000 |
100 | 190 | 397 | 748 | 1,540 | 2,300 | 4,430 | 7,070 | 12,500 | 25,500 |
125 | 168 | 352 | 663 | 1,360 | 2,040 | 3,930 | 6,260 | 11,100 | 22,600 |
150 | 153 | 319 | 601 | 1,230 | 1,850 | 3,560 | 5,670 | 10,000 | 20,500 |
175 | 140 | 293 | 553 | 1,140 | 1,700 | 3,280 | 5,220 | 9,230 | 18,800 |
200 | 131 | 273 | 514 | 1,060 | 1,580 | 3,050 | 4,860 | 8,580 | 17,500 |
250 | 116 | 242 | 456 | 936 | 1,400 | 2,700 | 4,300 | 7,610 | 15,500 |
300 | 105 | 219 | 413 | 848 | 1,270 | 2,450 | 3,900 | 6,890 | 14,100 |
350 | 96 | 202 | 380 | 780 | 1,170 | 2,250 | 3,590 | 6,340 | 12,900 |
400 | 90 | 188 | 353 | 726 | 1,090 | 2,090 | 3,340 | 5,900 | 12,000 |
450 | 84 | 176 | 332 | 681 | 1,020 | 1,970 | 3,130 | 5,540 | 11,300 |
500 | 80 | 166 | 313 | 643 | 964 | 1,860 | 2,960 | 5,230 | 10,700 |
550 | 76 | 158 | 297 | 611 | 915 | 1,760 | 2,810 | 4,970 | 10,100 |
600 | 72 | 151 | 284 | 583 | 873 | 1,680 | 2,680 | 4,740 | 9,660 |
650 | 69 | 144 | 272 | 558 | 836 | 1,610 | 2,570 | 4,540 | 9,250 |
700 | 66 | 139 | 261 | 536 | 803 | 1,550 | 2,470 | 4,360 | 8,890 |
750 | 64 | 134 | 252 | 516 | 774 | 1,490 | 2,380 | 4,200 | 8,560 |
800 | 62 | 129 | 243 | 499 | 747 | 1,440 | 2,290 | 4,060 | 8,270 |
850 | 60 | 125 | 235 | 483 | 723 | 1,390 | 2,220 | 3,920 | 8,000 |
900 | 58 | 121 | 228 | 468 | 701 | 1,350 | 2,150 | 3,800 | 7,760 |
950 | 56 | 118 | 221 | 454 | 681 | 1,310 | 2,090 | 3,700 | 7,540 |
1,000 | 55 | 114 | 215 | 442 | 662 | 1,280 | 2,030 | 3,590 | 7,330 |
1,100 | 52 | 109 | 204 | 420 | 629 | 1,210 | 1,930 | 3,410 | 6,960 |
1,200 | 50 | 104 | 195 | 400 | 600 | 1,160 | 1,840 | 3,260 | 6,640 |
1,300 | 47 | 99 | 187 | 384 | 575 | 1,100 | 1,760 | 3,120 | 6,360 |
1,400 | 46 | 95 | 179 | 368 | 552 | 1,060 | 1,700 | 3,000 | 6,110 |
1,500 | 44 | 92 | 173 | 355 | 532 | 1,020 | 1,630 | 2,890 | 5,890 |
1,600 | 42 | 89 | 167 | 343 | 514 | 989 | 1,580 | 2,790 | 5,680 |
1,700 | 41 | 86 | 162 | 332 | 497 | 957 | 1,530 | 2,700 | 5,500 |
1,800 | 40 | 83 | 157 | 322 | 482 | 928 | 1,480 | 2,620 | 5,330 |
1,900 | 39 | 81 | 152 | 312 | 468 | 901 | 1,440 | 2,540 | 5,180 |
2,000 | 38 | 79 | 148 | 304 | 455 | 877 | 1,400 | 2,470 | 5,040 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Natural |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | ||||||||
10 | 1,510 | 3,040 | 5,560 | 11,400 | 17,100 | 32,900 | 52,500 | 92,800 | 189,000 |
20 | 1,070 | 2,150 | 3,930 | 8,070 | 12,100 | 23,300 | 37,100 | 65,600 | 134,000 |
30 | 869 | 1,760 | 3,210 | 6,590 | 9,880 | 19,000 | 30,300 | 53,600 | 109,000 |
40 | 753 | 1,520 | 2,780 | 5,710 | 8,550 | 16,500 | 26,300 | 46,400 | 94,700 |
50 | 673 | 1,360 | 2,490 | 5,110 | 7,650 | 14,700 | 23,500 | 41,500 | 84,700 |
60 | 615 | 1,240 | 2,270 | 4,660 | 6,980 | 13,500 | 21,400 | 37,900 | 77,300 |
70 | 569 | 1,150 | 2,100 | 4,320 | 6,470 | 12,500 | 19,900 | 35,100 | 71,600 |
80 | 532 | 1,080 | 1,970 | 4,040 | 6,050 | 11,700 | 18,600 | 32,800 | 67,000 |
90 | 502 | 1,010 | 1,850 | 3,810 | 5,700 | 11,000 | 17,500 | 30,900 | 63,100 |
100 | 462 | 934 | 1,710 | 3,510 | 5,260 | 10,100 | 16,100 | 28,500 | 58,200 |
125 | 414 | 836 | 1,530 | 3,140 | 4,700 | 9,060 | 14,400 | 25,500 | 52,100 |
150 | 372 | 751 | 1,370 | 2,820 | 4,220 | 8,130 | 13,000 | 22,900 | 46,700 |
175 | 344 | 695 | 1,270 | 2,601 | 3,910 | 7,530 | 12,000 | 21,200 | 43,300 |
200 | 318 | 642 | 1,170 | 2,410 | 3,610 | 6,960 | 11,100 | 19,600 | 40,000 |
250 | 279 | 583 | 1,040 | 2,140 | 3,210 | 6,180 | 9,850 | 17,400 | 35,500 |
300 | 253 | 528 | 945 | 1,940 | 2,910 | 5,600 | 8,920 | 15,800 | 32,200 |
350 | 232 | 486 | 869 | 1,790 | 2,670 | 5,150 | 8,210 | 14,500 | 29,600 |
400 | 216 | 452 | 809 | 1,660 | 2,490 | 4,790 | 7,640 | 13,500 | 27,500 |
450 | 203 | 424 | 759 | 1,560 | 2,330 | 4,500 | 7,170 | 12,700 | 25,800 |
500 | 192 | 401 | 717 | 1,470 | 2,210 | 4,250 | 6,770 | 12,000 | 24,400 |
550 | 182 | 381 | 681 | 1,400 | 2,090 | 4,030 | 6,430 | 11,400 | 23,200 |
600 | 174 | 363 | 650 | 1,330 | 2,000 | 3,850 | 6,130 | 10,800 | 22,100 |
650 | 166 | 348 | 622 | 1,280 | 1,910 | 3,680 | 5,870 | 10,400 | 21,200 |
700 | 160 | 334 | 598 | 1,230 | 1,840 | 3,540 | 5,640 | 9,970 | 20,300 |
750 | 154 | 322 | 576 | 1,180 | 1,770 | 3,410 | 5,440 | 9,610 | 19,600 |
800 | 149 | 311 | 556 | 1,140 | 1,710 | 3,290 | 5,250 | 9,280 | 18,900 |
850 | 144 | 301 | 538 | 1,100 | 1,650 | 3,190 | 5,080 | 8,980 | 18,300 |
900 | 139 | 292 | 522 | 1,070 | 1,600 | 3,090 | 4,930 | 8,710 | 17,800 |
950 | 135 | 283 | 507 | 1,040 | 1,560 | 3,000 | 4,780 | 8,460 | 17,200 |
1,000 | 132 | 275 | 493 | 1,010 | 1,520 | 2,920 | 4,650 | 8,220 | 16,800 |
1,100 | 125 | 262 | 468 | 960 | 1,440 | 2,770 | 4,420 | 7,810 | 15,900 |
1,200 | 119 | 250 | 446 | 917 | 1,370 | 2,640 | 4,220 | 7,450 | 15,200 |
1,300 | 114 | 239 | 427 | 878 | 1,320 | 2,530 | 4,040 | 7,140 | 14,600 |
1,400 | 110 | 230 | 411 | 843 | 1,260 | 2,430 | 3,880 | 6,860 | 14,000 |
1,500 | 106 | 221 | 396 | 812 | 1,220 | 2,340 | 3,740 | 6,600 | 13,500 |
1,600 | 102 | 214 | 382 | 784 | 1,180 | 2,260 | 3,610 | 6,380 | 13,000 |
1,700 | 99 | 207 | 370 | 759 | 1,140 | 2,190 | 3,490 | 6,170 | 12,600 |
1,800 | 96 | 200 | 358 | 736 | 1,100 | 2,120 | 3,390 | 5,980 | 12,200 |
1,900 | 93 | 195 | 348 | 715 | 1,070 | 2,060 | 3,290 | 5,810 | 11,900 |
2,000 | 91 | 189 | 339 | 695 | 1,040 | 2,010 | 3,200 | 5,650 | 11,500 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Natural |
Inlet Pressure | 3.0 psi |
Pressure Drop | 2.0 psi |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | ||||||||
10 | 2,350 | 4,920 | 9,270 | 19,000 | 28,500 | 54,900 | 87,500 | 155,000 | 316,000 |
20 | 1,620 | 3,380 | 6,370 | 13,100 | 19,600 | 37,700 | 60,100 | 106,000 | 217,000 |
30 | 1,300 | 2,720 | 5,110 | 10,500 | 15,700 | 30,300 | 48,300 | 85,400 | 174,000 |
40 | 1,110 | 2,320 | 4,380 | 8,990 | 13,500 | 25,900 | 41,300 | 73,100 | 149,000 |
50 | 985 | 2,060 | 3,880 | 7,970 | 11,900 | 23,000 | 36,600 | 64,800 | 132,000 |
60 | 892 | 1,870 | 3,520 | 7,220 | 10,800 | 20,800 | 33,200 | 58,700 | 120,000 |
70 | 821 | 1,720 | 3,230 | 6,640 | 9,950 | 19,200 | 30,500 | 54,000 | 110,000 |
80 | 764 | 1,600 | 3,010 | 6,180 | 9,260 | 17,800 | 28,400 | 50,200 | 102,000 |
90 | 717 | 1,500 | 2,820 | 5,800 | 8,680 | 16,700 | 26,700 | 47,100 | 96,100 |
100 | 677 | 1,420 | 2,670 | 5,470 | 8,200 | 15,800 | 25,200 | 44,500 | 90,800 |
125 | 600 | 1,250 | 2,360 | 4,850 | 7,270 | 14,000 | 22,300 | 39,500 | 80,500 |
150 | 544 | 1,140 | 2,140 | 4,400 | 6,590 | 12,700 | 20,200 | 35,700 | 72,900 |
175 | 500 | 1,050 | 1,970 | 4,040 | 6,060 | 11,700 | 18,600 | 32,900 | 67,100 |
200 | 465 | 973 | 1,830 | 3,760 | 5,640 | 10,900 | 17,300 | 30,600 | 62,400 |
250 | 412 | 862 | 1,620 | 3,330 | 5,000 | 9,620 | 15,300 | 27,100 | 55,300 |
300 | 374 | 781 | 1,470 | 3,020 | 4,530 | 8,720 | 13,900 | 24,600 | 50,100 |
350 | 344 | 719 | 1,350 | 2,780 | 4,170 | 8,020 | 12,800 | 22,600 | 46,100 |
400 | 320 | 669 | 1,260 | 2,590 | 3,870 | 7,460 | 11,900 | 21,000 | 42,900 |
450 | 300 | 627 | 1,180 | 2,430 | 3,640 | 7,000 | 11,200 | 19,700 | 40,200 |
500 | 283 | 593 | 1,120 | 2,290 | 3,430 | 6,610 | 10,500 | 18,600 | 38,000 |
550 | 269 | 563 | 1,060 | 2,180 | 3,260 | 6,280 | 10,000 | 17,700 | 36,100 |
600 | 257 | 537 | 1,010 | 2,080 | 3,110 | 5,990 | 9,550 | 16,900 | 34,400 |
650 | 246 | 514 | 969 | 1,990 | 2,980 | 5,740 | 9,150 | 16,200 | 33,000 |
700 | 236 | 494 | 931 | 1,910 | 2,860 | 5,510 | 8,790 | 15,500 | 31,700 |
750 | 228 | 476 | 897 | 1,840 | 2,760 | 5,310 | 8,470 | 15,000 | 30,500 |
800 | 220 | 460 | 866 | 1,780 | 2,660 | 5,130 | 8,180 | 14,500 | 29,500 |
850 | 213 | 445 | 838 | 1,720 | 2,580 | 4,960 | 7,910 | 14,000 | 28,500 |
900 | 206 | 431 | 812 | 1,670 | 2,500 | 4,810 | 7,670 | 13,600 | 27,700 |
950 | 200 | 419 | 789 | 1,620 | 2,430 | 4,670 | 7,450 | 13,200 | 26,900 |
1,000 | 195 | 407 | 767 | 1,580 | 2,360 | 4,550 | 7,240 | 12,800 | 26,100 |
1,100 | 185 | 387 | 729 | 1,500 | 2,240 | 4,320 | 6,890 | 12,200 | 24,800 |
1,200 | 177 | 369 | 695 | 1,430 | 2,140 | 4,120 | 6,570 | 11,600 | 23,700 |
1,300 | 169 | 353 | 666 | 1,370 | 2,050 | 3,940 | 6,290 | 11,100 | 22,700 |
1,400 | 162 | 340 | 640 | 1,310 | 1,970 | 3,790 | 6,040 | 10,700 | 21,800 |
1,500 | 156 | 327 | 616 | 1,270 | 1,900 | 3,650 | 5,820 | 10,300 | 21,000 |
1,600 | 151 | 316 | 595 | 1,220 | 1,830 | 3,530 | 5,620 | 10,000 | 20,300 |
1,700 | 146 | 306 | 576 | 1,180 | 1,770 | 3,410 | 5,440 | 9,610 | 19,600 |
1,800 | 142 | 296 | 558 | 1,150 | 1,720 | 3,310 | 5,270 | 9,320 | 19,000 |
1,900 | 138 | 288 | 542 | 1,110 | 1,670 | 3,210 | 5,120 | 9,050 | 18,400 |
2,000 | 134 | 280 | 527 | 1,080 | 1,620 | 3,120 | 4,980 | 8,800 | 18,000 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Natural |
Inlet Pressure | 5.0 psi |
Pressure Drop | 3.5 psi |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | ||||||||
10 | 3,190 | 6,430 | 11,800 | 24,200 | 36,200 | 69,700 | 111,000 | 196,000 | 401,000 |
20 | 2,250 | 4,550 | 8,320 | 17,100 | 25,600 | 49,300 | 78,600 | 139,000 | 283,000 |
30 | 1,840 | 3,720 | 6,790 | 14,000 | 20,900 | 40,300 | 64,200 | 113,000 | 231,000 |
40 | 1,590 | 3,220 | 5,880 | 12,100 | 18,100 | 34,900 | 55,600 | 98,200 | 200,000 |
50 | 1,430 | 2,880 | 5,260 | 10,800 | 16,200 | 31,200 | 49,700 | 87,900 | 179,000 |
60 | 1,300 | 2,630 | 4,800 | 9,860 | 14,800 | 28,500 | 45,400 | 80,200 | 164,000 |
70 | 1,200 | 2,430 | 4,450 | 9,130 | 13,700 | 26,400 | 42,000 | 74,300 | 151,000 |
80 | 1,150 | 2,330 | 4,260 | 8,540 | 12,800 | 24,700 | 39,300 | 69,500 | 142,000 |
90 | 1,060 | 2,150 | 3,920 | 8,050 | 12,100 | 23,200 | 37,000 | 65,500 | 134,000 |
100 | 979 | 1,980 | 3,620 | 7,430 | 11,100 | 21,400 | 34,200 | 60,400 | 123,000 |
125 | 876 | 1,770 | 3,240 | 6,640 | 9,950 | 19,200 | 30,600 | 54,000 | 110,000 |
150 | 786 | 1,590 | 2,910 | 5,960 | 8,940 | 17,200 | 27,400 | 48,500 | 98,900 |
175 | 728 | 1,470 | 2,690 | 5,520 | 8,270 | 15,900 | 25,400 | 44,900 | 91,600 |
200 | 673 | 1,360 | 2,490 | 5,100 | 7,650 | 14,700 | 23,500 | 41,500 | 84,700 |
250 | 558 | 1,170 | 2,200 | 4,510 | 6,760 | 13,000 | 20,800 | 36,700 | 74,900 |
300 | 506 | 1,060 | 1,990 | 4,090 | 6,130 | 11,800 | 18,800 | 33,300 | 67,800 |
350 | 465 | 973 | 1,830 | 3,760 | 5,640 | 10,900 | 17,300 | 30,600 | 62,400 |
400 | 433 | 905 | 1,710 | 3,500 | 5,250 | 10,100 | 16,100 | 28,500 | 58,100 |
450 | 406 | 849 | 1,600 | 3,290 | 4,920 | 9,480 | 15,100 | 26,700 | 54,500 |
500 | 384 | 802 | 1,510 | 3,100 | 4,650 | 8,950 | 14,300 | 25,200 | 51,500 |
550 | 364 | 762 | 1,440 | 2,950 | 4,420 | 8,500 | 13,600 | 24,000 | 48,900 |
600 | 348 | 727 | 1,370 | 2,810 | 4,210 | 8,110 | 12,900 | 22,900 | 46,600 |
650 | 333 | 696 | 1,310 | 2,690 | 4,030 | 7,770 | 12,400 | 21,900 | 44,600 |
700 | 320 | 669 | 1,260 | 2,590 | 3,880 | 7,460 | 11,900 | 21,000 | 42,900 |
750 | 308 | 644 | 1,210 | 2,490 | 3,730 | 7,190 | 11,500 | 20,300 | 41,300 |
800 | 298 | 622 | 1,170 | 2,410 | 3,610 | 6,940 | 11,100 | 19,600 | 39,900 |
850 | 288 | 602 | 1,130 | 2,330 | 3,490 | 6,720 | 10,700 | 18,900 | 38,600 |
900 | 279 | 584 | 1,100 | 2,260 | 3,380 | 6,520 | 10,400 | 18,400 | 37,400 |
950 | 271 | 567 | 1,070 | 2,190 | 3,290 | 6,330 | 10,100 | 17,800 | 36,400 |
1,000 | 264 | 551 | 1,040 | 2,130 | 3,200 | 6,150 | 9,810 | 17,300 | 35,400 |
1,100 | 250 | 524 | 987 | 2,030 | 3,030 | 5,840 | 9,320 | 16,500 | 33,600 |
1,200 | 239 | 500 | 941 | 1,930 | 2,900 | 5,580 | 8,890 | 15,700 | 32,000 |
1,300 | 229 | 478 | 901 | 1,850 | 2,770 | 5,340 | 8,510 | 15,000 | 30,700 |
1,400 | 220 | 460 | 866 | 1,780 | 2,660 | 5,130 | 8,180 | 14,500 | 29,500 |
1,500 | 212 | 443 | 834 | 1,710 | 2,570 | 4,940 | 7,880 | 13,900 | 28,400 |
1,600 | 205 | 428 | 806 | 1,650 | 2,480 | 4,770 | 7,610 | 13,400 | 27,400 |
1,700 | 198 | 414 | 780 | 1,600 | 2,400 | 4,620 | 7,360 | 13,000 | 26,500 |
1,800 | 192 | 401 | 756 | 1,550 | 2,330 | 4,480 | 7,140 | 12,600 | 25,700 |
1,900 | 186 | 390 | 734 | 1,510 | 2,260 | 4,350 | 6,930 | 12,300 | 25,000 |
2,000 | 181 | 379 | 714 | 1,470 | 2,200 | 4,230 | 6,740 | 11,900 | 24,300 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SEMIRIGID COPPER TUBING
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 0.3 in. w.c. |
Specific Gravity | 0.60 |
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||
10 | 20 | 42 | 85 | 148 | 210 | 448 | 806 | 1,270 | 2,650 | |
20 | 14 | 29 | 58 | 102 | 144 | 308 | 554 | 873 | 1,820 | |
30 | 11 | 23 | 47 | 82 | 116 | 247 | 445 | 701 | 1,460 | |
40 | 10 | 20 | 40 | 70 | 99 | 211 | 381 | 600 | 1,250 | |
50 | NA | 17 | 35 | 62 | 88 | 187 | 337 | 532 | 1,110 | |
60 | NA | 16 | 32 | 56 | 79 | 170 | 306 | 482 | 1,000 | |
70 | NA | 14 | 29 | 52 | 73 | 156 | 281 | 443 | 924 | |
80 | NA | 13 | 27 | 48 | 68 | 145 | 262 | 413 | 859 | |
90 | NA | 13 | 26 | 45 | 64 | 136 | 245 | 387 | 806 | |
100 | NA | 12 | 24 | 43 | 60 | 129 | 232 | 366 | 761 | |
125 | NA | 11 | 22 | 38 | 53 | 114 | 206 | 324 | 675 | |
150 | NA | 10 | 20 | 34 | 48 | 103 | 186 | 294 | 612 | |
175 | NA | NA | 18 | 31 | 45 | 95 | 171 | 270 | 563 | |
200 | NA | NA | 17 | 29 | 41 | 89 | 159 | 251 | 523 | |
250 | NA | NA | 15 | 26 | 37 | 78 | 141 | 223 | 464 | |
300 | NA | NA | 13 | 23 | 33 | 71 | 128 | 202 | 420 | |
350 | NA | NA | 12 | 22 | 31 | 65 | 118 | 186 | 387 | |
400 | NA | NA | 11 | 20 | 28 | 61 | 110 | 173 | 360 | |
450 | NA | NA | 11 | 19 | 27 | 57 | 103 | 162 | 338 | |
500 | NA | NA | 10 | 18 | 25 | 54 | 97 | 153 | 319 | |
550 | NA | NA | NA | 17 | 24 | 51 | 92 | 145 | 303 | |
600 | NA | NA | NA | 16 | 23 | 49 | 88 | 139 | 289 | |
650 | NA | NA | NA | 15 | 22 | 47 | 84 | 133 | 277 | |
700 | NA | NA | NA | 15 | 21 | 45 | 81 | 128 | 266 | |
750 | NA | NA | NA | 14 | 20 | 43 | 78 | 123 | 256 | |
800 | NA | NA | NA | 14 | 20 | 42 | 75 | 119 | 247 | |
850 | NA | NA | NA | 13 | 19 | 40 | 73 | 115 | 239 | |
900 | NA | NA | NA | 13 | 18 | 39 | 71 | 111 | 232 | |
950 | NA | NA | NA | 13 | 18 | 38 | 69 | 108 | 225 | |
1,000 | NA | NA | NA | 12 | 17 | 37 | 67 | 105 | 219 | |
1,100 | NA | NA | NA | 12 | 16 | 35 | 63 | 100 | 208 | |
1,200 | NA | NA | NA | 11 | 16 | 34 | 60 | 95 | 199 | |
1,300 | NA | NA | NA | 11 | 15 | 32 | 58 | 91 | 190 | |
1,400 | NA | NA | NA | 10 | 14 | 31 | 56 | 88 | 183 | |
1,500 | NA | NA | NA | NA | 14 | 30 | 54 | 84 | 176 | |
1,600 | NA | NA | NA | NA | 13 | 29 | 52 | 82 | 170 | |
1,700 | NA | NA | NA | NA | 13 | 28 | 50 | 79 | 164 | |
1,800 | NA | NA | NA | NA | 13 | 27 | 49 | 77 | 159 | |
1,900 | NA | NA | NA | NA | 12 | 26 | 47 | 74 | 155 | |
2,000 | NA | NA | NA | NA | 12 | 25 | 46 | 72 | 151 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
SEMIRIGID COPPER TUBING
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 0.60 |
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||
10 | 27 | 55 | 111 | 195 | 276 | 590 | 1,060 | 1,680 | 3,490 | |
20 | 18 | 38 | 77 | 134 | 190 | 406 | 730 | 1,150 | 2,400 | |
30 | 15 | 30 | 61 | 107 | 152 | 326 | 586 | 925 | 1,930 | |
40 | 13 | 26 | 53 | 92 | 131 | 279 | 502 | 791 | 1,650 | |
50 | 11 | 23 | 47 | 82 | 116 | 247 | 445 | 701 | 1,460 | |
60 | 10 | 21 | 42 | 74 | 105 | 224 | 403 | 635 | 1,320 | |
70 | NA | 19 | 39 | 68 | 96 | 206 | 371 | 585 | 1,220 | |
80 | NA | 18 | 36 | 63 | 90 | 192 | 345 | 544 | 1,130 | |
90 | NA | 17 | 34 | 59 | 84 | 180 | 324 | 510 | 1,060 | |
100 | NA | 16 | 32 | 56 | 79 | 170 | 306 | 482 | 1,000 | |
125 | NA | 14 | 28 | 50 | 70 | 151 | 271 | 427 | 890 | |
150 | NA | 13 | 26 | 45 | 64 | 136 | 245 | 387 | 806 | |
175 | NA | 12 | 24 | 41 | 59 | 125 | 226 | 356 | 742 | |
200 | NA | 11 | 22 | 39 | 55 | 117 | 210 | 331 | 690 | |
250 | NA | NA | 20 | 34 | 48 | 103 | 186 | 294 | 612 | |
300 | NA | NA | 18 | 31 | 44 | 94 | 169 | 266 | 554 | |
350 | NA | NA | 16 | 28 | 40 | 86 | 155 | 245 | 510 | |
400 | NA | NA | 15 | 26 | 38 | 80 | 144 | 228 | 474 | |
450 | NA | NA | 14 | 25 | 35 | 75 | 135 | 214 | 445 | |
500 | NA | NA | 13 | 23 | 33 | 71 | 128 | 202 | 420 | |
550 | NA | NA | 13 | 22 | 32 | 68 | 122 | 192 | 399 | |
600 | NA | NA | 12 | 21 | 30 | 64 | 116 | 183 | 381 | |
650 | NA | NA | 12 | 20 | 29 | 62 | 111 | 175 | 365 | |
700 | NA | NA | 11 | 20 | 28 | 59 | 107 | 168 | 350 | |
750 | NA | NA | 11 | 19 | 27 | 57 | 103 | 162 | 338 | |
800 | NA | NA | 10 | 18 | 26 | 55 | 99 | 156 | 326 | |
850 | NA | NA | 10 | 18 | 25 | 53 | 96 | 151 | 315 | |
900 | NA | NA | NA | 17 | 24 | 52 | 93 | 147 | 306 | |
950 | NA | NA | NA | 17 | 24 | 50 | 90 | 143 | 297 | |
1,000 | NA | NA | NA | 16 | 23 | 49 | 88 | 139 | 289 | |
1,100 | NA | NA | NA | 15 | 22 | 46 | 84 | 132 | 274 | |
1,200 | NA | NA | NA | 15 | 21 | 44 | 80 | 126 | 262 | |
1,300 | NA | NA | NA | 14 | 20 | 42 | 76 | 120 | 251 | |
1,400 | NA | NA | NA | 13 | 19 | 41 | 73 | 116 | 241 | |
1,500 | NA | NA | NA | 13 | 18 | 39 | 71 | 111 | 232 | |
1,600 | NA | NA | NA | 13 | 18 | 38 | 68 | 108 | 224 | |
1,700 | NA | NA | NA | 12 | 17 | 37 | 66 | 104 | 217 | |
1,800 | NA | NA | NA | 12 | 17 | 36 | 64 | 101 | 210 | |
1,900 | NA | NA | NA | 11 | 16 | 35 | 62 | 98 | 204 | |
2,000 | NA | NA | NA | 11 | 16 | 34 | 60 | 95 | 199 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
SEMIRIGID COPPER TUBING
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 1.0 in. w.c. |
Specific Gravity | 0.60 |
INTENDED USE: SIZING BETWEEN HOUSE LINE REGULATOR AND THE APPLIANCE | ||||||||||
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||
10 | 39 | 80 | 162 | 283 | 402 | 859 | 1,550 | 2,440 | 5,080 | |
20 | 27 | 55 | 111 | 195 | 276 | 590 | 1,060 | 1,680 | 3,490 | |
30 | 21 | 44 | 89 | 156 | 222 | 474 | 853 | 1,350 | 2,800 | |
40 | 18 | 38 | 77 | 134 | 190 | 406 | 730 | 1,150 | 2,400 | |
50 | 16 | 33 | 68 | 119 | 168 | 359 | 647 | 1,020 | 2,130 | |
60 | 15 | 30 | 61 | 107 | 152 | 326 | 586 | 925 | 1,930 | |
70 | 13 | 28 | 57 | 99 | 140 | 300 | 539 | 851 | 1,770 | |
80 | 13 | 26 | 53 | 92 | 131 | 279 | 502 | 791 | 1,650 | |
90 | 12 | 24 | 49 | 86 | 122 | 262 | 471 | 742 | 1,550 | |
100 | 11 | 23 | 47 | 82 | 116 | 247 | 445 | 701 | 1,460 | |
125 | NA | 20 | 41 | 72 | 103 | 219 | 394 | 622 | 1,290 | |
150 | NA | 18 | 37 | 65 | 93 | 198 | 357 | 563 | 1,170 | |
175 | NA | 17 | 34 | 60 | 85 | 183 | 329 | 518 | 1,080 | |
200 | NA | 16 | 32 | 56 | 79 | 170 | 306 | 482 | 1,000 | |
250 | NA | 14 | 28 | 50 | 70 | 151 | 271 | 427 | 890 | |
300 | NA | 13 | 26 | 45 | 64 | 136 | 245 | 387 | 806 | |
350 | NA | 12 | 24 | 41 | 59 | 125 | 226 | 356 | 742 | |
400 | NA | 11 | 22 | 39 | 55 | 117 | 210 | 331 | 690 | |
450 | NA | 10 | 21 | 36 | 51 | 110 | 197 | 311 | 647 | |
500 | NA | NA | 20 | 34 | 48 | 103 | 186 | 294 | 612 | |
550 | NA | NA | 19 | 32 | 46 | 98 | 177 | 279 | 581 | |
600 | NA | NA | 18 | 31 | 44 | 94 | 169 | 266 | 554 | |
650 | NA | NA | 17 | 30 | 42 | 90 | 162 | 255 | 531 | |
700 | NA | NA | 16 | 28 | 40 | 86 | 155 | 245 | 510 | |
750 | NA | NA | 16 | 27 | 39 | 83 | 150 | 236 | 491 | |
800 | NA | NA | 15 | 26 | 38 | 80 | 144 | 228 | 474 | |
850 | NA | NA | 15 | 26 | 36 | 78 | 140 | 220 | 459 | |
900 | NA | NA | 14 | 25 | 35 | 75 | 135 | 214 | 445 | |
950 | NA | NA | 14 | 24 | 34 | 73 | 132 | 207 | 432 | |
1,000 | NA | NA | 13 | 23 | 33 | 71 | 128 | 202 | 420 | |
1,100 | NA | NA | 13 | 22 | 32 | 68 | 122 | 192 | 399 | |
1,200 | NA | NA | 12 | 21 | 30 | 64 | 116 | 183 | 381 | |
1,300 | NA | NA | 12 | 20 | 29 | 62 | 111 | 175 | 365 | |
1,400 | NA | NA | 11 | 20 | 28 | 59 | 107 | 168 | 350 | |
1,500 | NA | NA | 11 | 19 | 27 | 57 | 103 | 162 | 338 | |
1,600 | NA | NA | 10 | 18 | 26 | 55 | 99 | 156 | 326 | |
1,700 | NA | NA | 10 | 18 | 25 | 53 | 96 | 151 | 315 | |
1,800 | NA | NA | NA | 17 | 24 | 52 | 93 | 147 | 306 | |
1,900 | NA | NA | NA | 17 | 24 | 50 | 90 | 143 | 297 | |
2,000 | NA | NA | NA | 16 | 23 | 49 | 88 | 139 | 289 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
SEMIRIGID COPPER TUBING
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 17.0 in. w.c. |
Specific Gravity | 0.60 |
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||
10 | 190 | 391 | 796 | 1,390 | 1,970 | 4,220 | 7,590 | 12,000 | 24,900 | |
20 | 130 | 269 | 547 | 956 | 1,360 | 2,900 | 5,220 | 8,230 | 17,100 | |
30 | 105 | 216 | 439 | 768 | 1,090 | 2,330 | 4,190 | 6,610 | 13,800 | |
40 | 90 | 185 | 376 | 657 | 932 | 1,990 | 3,590 | 5,650 | 11,800 | |
50 | 79 | 164 | 333 | 582 | 826 | 1,770 | 3,180 | 5,010 | 10,400 | |
60 | 72 | 148 | 302 | 528 | 749 | 1,600 | 2,880 | 4,540 | 9,460 | |
70 | 66 | 137 | 278 | 486 | 689 | 1,470 | 2,650 | 4,180 | 8,700 | |
80 | 62 | 127 | 258 | 452 | 641 | 1,370 | 2,460 | 3,890 | 8,090 | |
90 | 58 | 119 | 243 | 424 | 601 | 1,280 | 2,310 | 3,650 | 7,590 | |
100 | 55 | 113 | 229 | 400 | 568 | 1,210 | 2,180 | 3,440 | 7,170 | |
125 | 48 | 100 | 203 | 355 | 503 | 1,080 | 1,940 | 3,050 | 6,360 | |
150 | 44 | 90 | 184 | 321 | 456 | 974 | 1,750 | 2,770 | 5,760 | |
175 | 40 | 83 | 169 | 296 | 420 | 896 | 1,610 | 2,540 | 5,300 | |
200 | 38 | 77 | 157 | 275 | 390 | 834 | 1,500 | 2,370 | 4,930 | |
250 | 33 | 69 | 140 | 244 | 346 | 739 | 1,330 | 2,100 | 4,370 | |
300 | 30 | 62 | 126 | 221 | 313 | 670 | 1,210 | 1,900 | 3,960 | |
350 | 28 | 57 | 116 | 203 | 288 | 616 | 1,110 | 1,750 | 3,640 | |
400 | 26 | 53 | 108 | 189 | 268 | 573 | 1,030 | 1,630 | 3,390 | |
450 | 24 | 50 | 102 | 177 | 252 | 538 | 968 | 1,530 | 3,180 | |
500 | 23 | 47 | 96 | 168 | 238 | 508 | 914 | 1,440 | 3,000 | |
550 | 22 | 45 | 91 | 159 | 226 | 482 | 868 | 1,370 | 2,850 | |
600 | 21 | 43 | 87 | 152 | 215 | 460 | 829 | 1,310 | 2,720 | |
650 | 20 | 41 | 83 | 145 | 206 | 441 | 793 | 1,250 | 2,610 | |
700 | 19 | 39 | 80 | 140 | 198 | 423 | 762 | 1,200 | 2,500 | |
750 | 18 | 38 | 77 | 135 | 191 | 408 | 734 | 1,160 | 2,410 | |
800 | 18 | 37 | 74 | 130 | 184 | 394 | 709 | 1,120 | 2,330 | |
850 | 17 | 35 | 72 | 126 | 178 | 381 | 686 | 1,080 | 2,250 | |
900 | 17 | 34 | 70 | 122 | 173 | 370 | 665 | 1,050 | 2,180 | |
950 | 16 | 33 | 68 | 118 | 168 | 359 | 646 | 1,020 | 2,120 | |
1,000 | 16 | 32 | 66 | 115 | 163 | 349 | 628 | 991 | 2,060 | |
1,100 | 15 | 31 | 63 | 109 | 155 | 332 | 597 | 941 | 1,960 | |
1,200 | 14 | 29 | 60 | 104 | 148 | 316 | 569 | 898 | 1,870 | |
1,300 | 14 | 28 | 57 | 100 | 142 | 303 | 545 | 860 | 1,790 | |
1,400 | 13 | 27 | 55 | 96 | 136 | 291 | 524 | 826 | 1,720 | |
1,500 | 13 | 26 | 53 | 93 | 131 | 280 | 505 | 796 | 1,660 | |
1,600 | 12 | 25 | 51 | 89 | 127 | 271 | 487 | 768 | 1,600 | |
1,700 | 12 | 24 | 49 | 86 | 123 | 262 | 472 | 744 | 1,550 | |
1,800 | 11 | 24 | 48 | 84 | 119 | 254 | 457 | 721 | 1,500 | |
1,900 | 11 | 23 | 47 | 81 | 115 | 247 | 444 | 700 | 1,460 | |
2,000 | 11 | 22 | 45 | 79 | 112 | 240 | 432 | 681 | 1,420 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
SEMIRIGID COPPER TUBING
Gas | Natural |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 0.60 |
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||
10 | 245 | 506 | 1,030 | 1,800 | 2,550 | 5,450 | 9,820 | 15,500 | 32,200 | |
20 | 169 | 348 | 708 | 1,240 | 1,760 | 3,750 | 6,750 | 10,600 | 22,200 | |
30 | 135 | 279 | 568 | 993 | 1,410 | 3,010 | 5,420 | 8,550 | 17,800 | |
40 | 116 | 239 | 486 | 850 | 1,210 | 2,580 | 4,640 | 7,310 | 15,200 | |
50 | 103 | 212 | 431 | 754 | 1,070 | 2,280 | 4,110 | 6,480 | 13,500 | |
60 | 93 | 192 | 391 | 683 | 969 | 2,070 | 3,730 | 5,870 | 12,200 | |
70 | 86 | 177 | 359 | 628 | 891 | 1,900 | 3,430 | 5,400 | 11,300 | |
80 | 80 | 164 | 334 | 584 | 829 | 1,770 | 3,190 | 5,030 | 10,500 | |
90 | 75 | 154 | 314 | 548 | 778 | 1,660 | 2,990 | 4,720 | 9,820 | |
100 | 71 | 146 | 296 | 518 | 735 | 1,570 | 2,830 | 4,450 | 9,280 | |
125 | 63 | 129 | 263 | 459 | 651 | 1,390 | 2,500 | 3,950 | 8,220 | |
150 | 57 | 117 | 238 | 416 | 590 | 1,260 | 2,270 | 3,580 | 7,450 | |
175 | 52 | 108 | 219 | 383 | 543 | 1,160 | 2,090 | 3,290 | 6,850 | |
200 | 49 | 100 | 204 | 356 | 505 | 1,080 | 1,940 | 3,060 | 6,380 | |
250 | 43 | 89 | 181 | 315 | 448 | 956 | 1,720 | 2,710 | 5,650 | |
300 | 39 | 80 | 164 | 286 | 406 | 866 | 1,560 | 2,460 | 5,120 | |
350 | 36 | 74 | 150 | 263 | 373 | 797 | 1,430 | 2,260 | 4,710 | |
400 | 33 | 69 | 140 | 245 | 347 | 741 | 1,330 | 2,100 | 4,380 | |
450 | 31 | 65 | 131 | 230 | 326 | 696 | 1,250 | 1,970 | 4,110 | |
500 | 30 | 61 | 124 | 217 | 308 | 657 | 1,180 | 1,870 | 3,880 | |
550 | 28 | 58 | 118 | 206 | 292 | 624 | 1,120 | 1,770 | 3,690 | |
600 | 27 | 55 | 112 | 196 | 279 | 595 | 1,070 | 1,690 | 3,520 | |
650 | 26 | 53 | 108 | 188 | 267 | 570 | 1,030 | 1,620 | 3,370 | |
700 | 25 | 51 | 103 | 181 | 256 | 548 | 986 | 1,550 | 3,240 | |
750 | 24 | 49 | 100 | 174 | 247 | 528 | 950 | 1,500 | 3,120 | |
800 | 23 | 47 | 96 | 168 | 239 | 510 | 917 | 1,450 | 3,010 | |
850 | 22 | 46 | 93 | 163 | 231 | 493 | 888 | 1,400 | 2,920 | |
900 | 22 | 44 | 90 | 158 | 224 | 478 | 861 | 1,360 | 2,830 | |
950 | 21 | 43 | 88 | 153 | 217 | 464 | 836 | 1,320 | 2,740 | |
1,000 | 20 | 42 | 85 | 149 | 211 | 452 | 813 | 1,280 | 2,670 | |
1,100 | 19 | 40 | 81 | 142 | 201 | 429 | 772 | 1,220 | 2,540 | |
1,200 | 18 | 38 | 77 | 135 | 192 | 409 | 737 | 1,160 | 2,420 | |
1,300 | 18 | 36 | 74 | 129 | 183 | 392 | 705 | 1,110 | 2,320 | |
1,400 | 17 | 35 | 71 | 124 | 176 | 376 | 678 | 1,070 | 2,230 | |
1,500 | 16 | 34 | 68 | 120 | 170 | 363 | 653 | 1,030 | 2,140 | |
1,600 | 16 | 33 | 66 | 116 | 164 | 350 | 630 | 994 | 2,070 | |
1,700 | 15 | 31 | 64 | 112 | 159 | 339 | 610 | 962 | 2,000 | |
1,800 | 15 | 30 | 62 | 108 | 154 | 329 | 592 | 933 | 1,940 | |
1,900 | 14 | 30 | 60 | 105 | 149 | 319 | 575 | 906 | 1,890 | |
2,000 | 14 | 29 | 59 | 102 | 145 | 310 | 559 | 881 | 1,830 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
SEMIRIGID COPPER TUBING
Gas | Natural |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.5 psi |
Specific Gravity | 0.60 |
INTENDED USE | Pipe sizing between point of delivery and the house line regulator. Total load supplied by a single house line regulator not exceeding 150 cubic feet per hour. | |||||||||
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||
10 | 303 | 625 | 1,270 | 2,220 | 3,150 | 6,740 | 12,100 | 19,100 | 39,800 | |
20 | 208 | 430 | 874 | 1,530 | 2,170 | 4,630 | 8,330 | 13,100 | 27,400 | |
30 | 167 | 345 | 702 | 1,230 | 1,740 | 3,720 | 6,690 | 10,600 | 22,000 | |
40 | 143 | 295 | 601 | 1,050 | 1,490 | 3,180 | 5,730 | 9,030 | 18,800 | |
50 | 127 | 262 | 532 | 931 | 1,320 | 2,820 | 5,080 | 8,000 | 16,700 | |
60 | 115 | 237 | 482 | 843 | 1,200 | 2,560 | 4,600 | 7,250 | 15,100 | |
70 | 106 | 218 | 444 | 776 | 1,100 | 2,350 | 4,230 | 6,670 | 13,900 | |
80 | 98 | 203 | 413 | 722 | 1,020 | 2,190 | 3,940 | 6,210 | 12,900 | |
90 | 92 | 190 | 387 | 677 | 961 | 2,050 | 3,690 | 5,820 | 12,100 | |
100 | 87 | 180 | 366 | 640 | 907 | 1,940 | 3,490 | 5,500 | 11,500 | |
125 | 77 | 159 | 324 | 567 | 804 | 1,720 | 3,090 | 4,880 | 10,200 | |
150 | 70 | 144 | 294 | 514 | 729 | 1,560 | 2,800 | 4,420 | 9,200 | |
175 | 64 | 133 | 270 | 472 | 670 | 1,430 | 2,580 | 4,060 | 8,460 | |
200 | 60 | 124 | 252 | 440 | 624 | 1,330 | 2,400 | 3,780 | 7,870 | |
250 | 53 | 110 | 223 | 390 | 553 | 1,180 | 2,130 | 3,350 | 6,980 | |
300 | 48 | 99 | 202 | 353 | 501 | 1,070 | 1,930 | 3,040 | 6,320 | |
350 | 44 | 91 | 186 | 325 | 461 | 984 | 1,770 | 2,790 | 5,820 | |
400 | 41 | 85 | 173 | 302 | 429 | 916 | 1,650 | 2,600 | 5,410 | |
450 | 39 | 80 | 162 | 283 | 402 | 859 | 1,550 | 2,440 | 5,080 | |
500 | 36 | 75 | 153 | 268 | 380 | 811 | 1,460 | 2,300 | 4,800 | |
550 | 35 | 72 | 146 | 254 | 361 | 771 | 1,390 | 2,190 | 4,560 | |
600 | 33 | 68 | 139 | 243 | 344 | 735 | 1,320 | 2,090 | 4,350 | |
650 | 32 | 65 | 133 | 232 | 330 | 704 | 1,270 | 2,000 | 4,160 | |
700 | 30 | 63 | 128 | 223 | 317 | 676 | 1,220 | 1,920 | 4,000 | |
750 | 29 | 60 | 123 | 215 | 305 | 652 | 1,170 | 1,850 | 3,850 | |
800 | 28 | 58 | 119 | 208 | 295 | 629 | 1,130 | 1,790 | 3,720 | |
850 | 27 | 57 | 115 | 201 | 285 | 609 | 1,100 | 1,730 | 3,600 | |
900 | 27 | 55 | 111 | 195 | 276 | 590 | 1,060 | 1,680 | 3,490 | |
950 | 26 | 53 | 108 | 189 | 268 | 573 | 1,030 | 1,630 | 3,390 | |
1,000 | 25 | 52 | 105 | 184 | 261 | 558 | 1,000 | 1,580 | 3,300 | |
1,100 | 24 | 49 | 100 | 175 | 248 | 530 | 954 | 1,500 | 3,130 | |
1,200 | 23 | 47 | 95 | 167 | 237 | 505 | 910 | 1,430 | 2,990 | |
1,300 | 22 | 45 | 91 | 160 | 227 | 484 | 871 | 1,370 | 2,860 | |
1,400 | 21 | 43 | 88 | 153 | 218 | 465 | 837 | 1,320 | 2,750 | |
1,500 | 20 | 42 | 85 | 148 | 210 | 448 | 806 | 1,270 | 2,650 | |
1,600 | 19 | 40 | 82 | 143 | 202 | 432 | 779 | 1,230 | 2,560 | |
1,700 | 19 | 39 | 79 | 138 | 196 | 419 | 753 | 1,190 | 2,470 | |
1,800 | 18 | 38 | 77 | 134 | 190 | 406 | 731 | 1,150 | 2,400 | |
1,900 | 18 | 37 | 74 | 130 | 184 | 394 | 709 | 1,120 | 2,330 | |
2,000 | 17 | 36 | 72 | 126 | 179 | 383 | 690 | 1,090 | 2,270 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table capacities are based on Type K copper tubing inside diameter (shown), which has the smallest inside diameter of the copper tubing products.
- Where this table is used to size the tubing upstream of a line pressure regulator, the pipe or tubing downstream of the line pressure regulator shall be sized using a pressure drop not greater than 1 inch w.c.
- All table entries have been rounded to three significant digits.
SEMIRIGID COPPER TUBING
Gas | Natural |
Inlet Pressure | 5.0 psi |
Pressure Drop | 3.5 psi |
Specific Gravity | 0.60 |
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||
10 | 511 | 1,050 | 2,140 | 3,750 | 5,320 | 11,400 | 20,400 | 32,200 | 67,100 | |
20 | 351 | 724 | 1,470 | 2,580 | 3,650 | 7,800 | 14,000 | 22,200 | 46,100 | |
30 | 282 | 582 | 1,180 | 2,070 | 2,930 | 6,270 | 11,300 | 17,800 | 37,000 | |
40 | 241 | 498 | 1,010 | 1,770 | 2,510 | 5,360 | 9,660 | 15,200 | 31,700 | |
50 | 214 | 441 | 898 | 1,570 | 2,230 | 4,750 | 8,560 | 13,500 | 28,100 | |
60 | 194 | 400 | 813 | 1,420 | 2,020 | 4,310 | 7,750 | 12,200 | 25,500 | |
70 | 178 | 368 | 748 | 1,310 | 1,860 | 3,960 | 7,130 | 11,200 | 23,400 | |
80 | 166 | 342 | 696 | 1,220 | 1,730 | 3,690 | 6,640 | 10,500 | 21,800 | |
90 | 156 | 321 | 653 | 1,140 | 1,620 | 3,460 | 6,230 | 9,820 | 20,400 | |
100 | 147 | 303 | 617 | 1,080 | 1,530 | 3,270 | 5,880 | 9,270 | 19,300 | |
125 | 130 | 269 | 547 | 955 | 1,360 | 2,900 | 5,210 | 8,220 | 17,100 | |
150 | 118 | 243 | 495 | 866 | 1,230 | 2,620 | 4,720 | 7,450 | 15,500 | |
175 | 109 | 224 | 456 | 796 | 1,130 | 2,410 | 4,350 | 6,850 | 14,300 | |
200 | 101 | 208 | 424 | 741 | 1,050 | 2,250 | 4,040 | 6,370 | 13,300 | |
250 | 90 | 185 | 376 | 657 | 932 | 1,990 | 3,580 | 5,650 | 11,800 | |
300 | 81 | 167 | 340 | 595 | 844 | 1,800 | 3,250 | 5,120 | 10,700 | |
350 | 75 | 154 | 313 | 547 | 777 | 1,660 | 2,990 | 4,710 | 9,810 | |
400 | 69 | 143 | 291 | 509 | 722 | 1,540 | 2,780 | 4,380 | 9,120 | |
450 | 65 | 134 | 273 | 478 | 678 | 1,450 | 2,610 | 4,110 | 8,560 | |
500 | 62 | 127 | 258 | 451 | 640 | 1,370 | 2,460 | 3,880 | 8,090 | |
550 | 58 | 121 | 245 | 429 | 608 | 1,300 | 2,340 | 3,690 | 7,680 | |
600 | 56 | 115 | 234 | 409 | 580 | 1,240 | 2,230 | 3,520 | 7,330 | |
650 | 53 | 110 | 224 | 392 | 556 | 1,190 | 2,140 | 3,370 | 7,020 | |
700 | 51 | 106 | 215 | 376 | 534 | 1,140 | 2,050 | 3,240 | 6,740 | |
750 | 49 | 102 | 207 | 362 | 514 | 1,100 | 1,980 | 3,120 | 6,490 | |
800 | 48 | 98 | 200 | 350 | 497 | 1,060 | 1,910 | 3,010 | 6,270 | |
850 | 46 | 95 | 194 | 339 | 481 | 1,030 | 1,850 | 2,910 | 6,070 | |
900 | 45 | 92 | 188 | 328 | 466 | 1,000 | 1,790 | 2,820 | 5,880 | |
950 | 43 | 90 | 182 | 319 | 452 | 967 | 1,740 | 2,740 | 5,710 | |
1,000 | 42 | 87 | 177 | 310 | 440 | 940 | 1,690 | 2,670 | 5,560 | |
1,100 | 40 | 83 | 169 | 295 | 418 | 893 | 1,610 | 2,530 | 5,280 | |
1,200 | 38 | 79 | 161 | 281 | 399 | 852 | 1,530 | 2,420 | 5,040 | |
1,300 | 37 | 76 | 154 | 269 | 382 | 816 | 1,470 | 2,320 | 4,820 | |
1,400 | 35 | 73 | 148 | 259 | 367 | 784 | 1,410 | 2,220 | 4,630 | |
1,500 | 34 | 70 | 143 | 249 | 353 | 755 | 1,360 | 2,140 | 4,460 | |
1,600 | 33 | 68 | 138 | 241 | 341 | 729 | 1,310 | 2,070 | 4,310 | |
1,700 | 32 | 65 | 133 | 233 | 330 | 705 | 1,270 | 2,000 | 4,170 | |
1,800 | 31 | 63 | 129 | 226 | 320 | 684 | 1,230 | 1,940 | 4,040 | |
1,900 | 30 | 62 | 125 | 219 | 311 | 664 | 1,200 | 1,890 | 3,930 | |
2,000 | 29 | 60 | 122 | 213 | 302 | 646 | 1,160 | 1,830 | 3,820 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 0.60 |
TUBE SIZE (EHD) | ||||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 39 | 46 | 48 | 60 | 62 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||||||
5 | 46 | 63 | 115 | 134 | 225 | 270 | 471 | 546 | 895 | 1,037 | 1,790 | 2,070 | 3,660 | 4,140 |
10 | 32 | 44 | 82 | 95 | 161 | 192 | 330 | 383 | 639 | 746 | 1,260 | 1,470 | 2,600 | 2,930 |
15 | 25 | 35 | 66 | 77 | 132 | 157 | 267 | 310 | 524 | 615 | 1,030 | 1,200 | 2,140 | 2,400 |
20 | 22 | 31 | 58 | 67 | 116 | 137 | 231 | 269 | 456 | 536 | 888 | 1,050 | 1,850 | 2,080 |
25 | 19 | 27 | 52 | 60 | 104 | 122 | 206 | 240 | 409 | 482 | 793 | 936 | 1,660 | 1,860 |
30 | 18 | 25 | 47 | 55 | 96 | 112 | 188 | 218 | 374 | 442 | 723 | 856 | 1,520 | 1,700 |
40 | 15 | 21 | 41 | 47 | 83 | 97 | 162 | 188 | 325 | 386 | 625 | 742 | 1,320 | 1,470 |
50 | 13 | 19 | 37 | 42 | 75 | 87 | 144 | 168 | 292 | 347 | 559 | 665 | 1,180 | 1,320 |
60 | 12 | 17 | 34 | 38 | 68 | 80 | 131 | 153 | 267 | 318 | 509 | 608 | 1,080 | 1,200 |
70 | 11 | 16 | 31 | 36 | 63 | 74 | 121 | 141 | 248 | 295 | 471 | 563 | 1,000 | 1,110 |
80 | 10 | 15 | 29 | 33 | 60 | 69 | 113 | 132 | 232 | 277 | 440 | 527 | 940 | 1,040 |
90 | 10 | 14 | 28 | 32 | 57 | 65 | 107 | 125 | 219 | 262 | 415 | 498 | 887 | 983 |
100 | 9 | 13 | 26 | 30 | 54 | 62 | 101 | 118 | 208 | 249 | 393 | 472 | 843 | 933 |
150 | 7 | 10 | 20 | 23 | 42 | 48 | 78 | 91 | 171 | 205 | 320 | 387 | 691 | 762 |
200 | 6 | 9 | 18 | 21 | 38 | 44 | 71 | 82 | 148 | 179 | 277 | 336 | 600 | 661 |
250 | 5 | 8 | 16 | 19 | 34 | 39 | 63 | 74 | 133 | 161 | 247 | 301 | 538 | 591 |
300 | 5 | 7 | 15 | 17 | 32 | 36 | 57 | 67 | 95 | 148 | 226 | 275 | 492 | 540 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n, where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 3.0 in. w.c. |
Specific Gravity | 0.60 |
INTENDED USE: Initial supply pressure of 8.0 inches w.c. or greater | |||||||||||||
TUBE SIZE (EHD) | |||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 46 | 48 | 60 | 62 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | ||||||||||||
5 | 120 | 160 | 277 | 327 | 529 | 649 | 1,180 | 1,370 | 2,140 | 4,430 | 5,010 | 8,800 | 10,100 |
10 | 83 | 112 | 197 | 231 | 380 | 462 | 828 | 958 | 1,530 | 3,200 | 3,560 | 6,270 | 7,160 |
15 | 67 | 90 | 161 | 189 | 313 | 379 | 673 | 778 | 1,250 | 2,540 | 2,910 | 5,140 | 5,850 |
20 | 57 | 78 | 140 | 164 | 273 | 329 | 580 | 672 | 1,090 | 2,200 | 2,530 | 4,460 | 5,070 |
25 | 51 | 69 | 125 | 147 | 245 | 295 | 518 | 599 | 978 | 1,960 | 2,270 | 4,000 | 4,540 |
30 | 46 | 63 | 115 | 134 | 225 | 270 | 471 | 546 | 895 | 1,790 | 2,070 | 3,660 | 4,140 |
40 | 39 | 54 | 100 | 116 | 196 | 234 | 407 | 471 | 778 | 1,550 | 1,800 | 3,180 | 3,590 |
50 | 35 | 48 | 89 | 104 | 176 | 210 | 363 | 421 | 698 | 1,380 | 1,610 | 2,850 | 3,210 |
60 | 32 | 44 | 82 | 95 | 161 | 192 | 330 | 383 | 639 | 1,260 | 1,470 | 2,600 | 2,930 |
70 | 29 | 41 | 76 | 88 | 150 | 178 | 306 | 355 | 593 | 1,170 | 1,360 | 2,420 | 2,720 |
80 | 27 | 38 | 71 | 82 | 141 | 167 | 285 | 331 | 555 | 1,090 | 1,280 | 2,260 | 2,540 |
90 | 26 | 36 | 67 | 77 | 133 | 157 | 268 | 311 | 524 | 1,030 | 1,200 | 2,140 | 2,400 |
100 | 24 | 34 | 63 | 73 | 126 | 149 | 254 | 295 | 498 | 974 | 1,140 | 2,030 | 2,280 |
150 | 19 | 27 | 52 | 60 | 104 | 122 | 206 | 240 | 409 | 793 | 936 | 1,660 | 1,860 |
200 | 17 | 23 | 45 | 52 | 91 | 106 | 178 | 207 | 355 | 686 | 812 | 1,440 | 1,610 |
250 | 15 | 21 | 40 | 46 | 82 | 95 | 159 | 184 | 319 | 613 | 728 | 1,290 | 1,440 |
300 | 13 | 19 | 37 | 42 | 75 | 87 | 144 | 168 | 234 | 559 | 665 | 1,180 | 1,320 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 6.0 in. w.c. |
Specific Gravity | 0.60 |
INTENDED USE: Initial supply pressure of 11.0 inches w.c. or greater | |||||||||||||
TUBE SIZE (EHD) | |||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 46 | 48 | 60 | 62 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | ||||||||||||
5 | 173 | 229 | 389 | 461 | 737 | 911 | 1,690 | 1,950 | 3,000 | 6,280 | 7,050 | 12,400 | 14,260 |
10 | 120 | 160 | 277 | 327 | 529 | 649 | 1,180 | 1,370 | 2,140 | 4,430 | 5,010 | 8,800 | 10,100 |
15 | 96 | 130 | 227 | 267 | 436 | 532 | 960 | 1,110 | 1,760 | 3,610 | 4,100 | 7,210 | 8,260 |
20 | 83 | 112 | 197 | 231 | 380 | 462 | 828 | 958 | 1,530 | 3,120 | 3,560 | 6,270 | 7,160 |
25 | 74 | 99 | 176 | 207 | 342 | 414 | 739 | 855 | 1,370 | 2,790 | 3,190 | 5,620 | 6,400 |
30 | 67 | 90 | 161 | 189 | 313 | 379 | 673 | 778 | 1,250 | 2,540 | 2,910 | 5,140 | 5,850 |
40 | 57 | 78 | 140 | 164 | 273 | 329 | 580 | 672 | 1,090 | 2,200 | 2,530 | 4,460 | 5,070 |
50 | 51 | 69 | 125 | 147 | 245 | 295 | 518 | 599 | 978 | 1,960 | 2,270 | 4,000 | 4,540 |
60 | 46 | 63 | 115 | 134 | 225 | 270 | 471 | 546 | 895 | 1,790 | 2,070 | 3,660 | 4,140 |
70 | 42 | 58 | 106 | 124 | 209 | 250 | 435 | 505 | 830 | 1,660 | 1,920 | 3,390 | 3,840 |
80 | 39 | 54 | 100 | 116 | 196 | 234 | 407 | 471 | 778 | 1,550 | 1,800 | 3,180 | 3,590 |
90 | 37 | 51 | 94 | 109 | 185 | 221 | 383 | 444 | 735 | 1,460 | 1,700 | 3,000 | 3,390 |
100 | 35 | 48 | 89 | 104 | 176 | 210 | 363 | 421 | 698 | 1,380 | 1,610 | 2,850 | 3,210 |
150 | 28 | 39 | 73 | 85 | 145 | 172 | 294 | 342 | 573 | 1,130 | 1,320 | 2,340 | 2,630 |
200 | 24 | 34 | 63 | 73 | 126 | 149 | 254 | 295 | 498 | 974 | 1,140 | 2,030 | 2,280 |
250 | 21 | 30 | 57 | 66 | 114 | 134 | 226 | 263 | 447 | 870 | 1,020 | 1,820 | 2,040 |
300 | 19 | 27 | 52 | 60 | 104 | 122 | 206 | 240 | 409 | 793 | 936 | 1,660 | 1,860 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Natural |
Inlet Pressure | 2 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 0.60 |
TUBE SIZE (EHD) | ||||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 39 | 46 | 48 | 60 | 62 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||||||
10 | 270 | 353 | 587 | 700 | 1,100 | 1,370 | 2,590 | 2,990 | 4,510 | 5,037 | 9,600 | 10,700 | 18,600 | 21,600 |
25 | 166 | 220 | 374 | 444 | 709 | 876 | 1,620 | 1,870 | 2,890 | 3,258 | 6,040 | 6,780 | 11,900 | 13,700 |
30 | 151 | 200 | 342 | 405 | 650 | 801 | 1,480 | 1,700 | 2,640 | 2,987 | 5,510 | 6,200 | 10,900 | 12,500 |
40 | 129 | 172 | 297 | 351 | 567 | 696 | 1,270 | 1,470 | 2,300 | 2,605 | 4,760 | 5,380 | 9,440 | 10,900 |
50 | 115 | 154 | 266 | 314 | 510 | 624 | 1,140 | 1,310 | 2,060 | 2,343 | 4,260 | 4,820 | 8,470 | 9,720 |
75 | 93 | 124 | 218 | 257 | 420 | 512 | 922 | 1,070 | 1,690 | 1,932 | 3,470 | 3,950 | 6,940 | 7,940 |
80 | 89 | 120 | 211 | 249 | 407 | 496 | 892 | 1,030 | 1,640 | 1,874 | 3,360 | 3,820 | 6,730 | 7,690 |
100 | 79 | 107 | 189 | 222 | 366 | 445 | 795 | 920 | 1,470 | 1,685 | 3,000 | 3,420 | 6,030 | 6,880 |
150 | 64 | 87 | 155 | 182 | 302 | 364 | 646 | 748 | 1,210 | 1,389 | 2,440 | 2,800 | 4,940 | 5,620 |
200 | 55 | 75 | 135 | 157 | 263 | 317 | 557 | 645 | 1,050 | 1,212 | 2,110 | 2,430 | 4,290 | 4,870 |
250 | 49 | 67 | 121 | 141 | 236 | 284 | 497 | 576 | 941 | 1,090 | 1,890 | 2,180 | 3,850 | 4,360 |
300 | 44 | 61 | 110 | 129 | 217 | 260 | 453 | 525 | 862 | 999 | 1,720 | 1,990 | 3,520 | 3,980 |
400 | 38 | 52 | 96 | 111 | 189 | 225 | 390 | 453 | 749 | 871 | 1,490 | 1,730 | 3,060 | 3,450 |
500 | 34 | 46 | 86 | 100 | 170 | 202 | 348 | 404 | 552 | 783 | 1,330 | 1,550 | 2,740 | 3,090 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table does not include effect of pressure drop across the line regulator. Where regulator loss exceeds 3/4 psi, DO NOT USE THIS TABLE. Consult with the regulator manufacturer for pressure drops and capacity factors. Pressure drops across a regulator may vary with flow rate.
- CAUTION: Capacities shown in the table might exceed maximum capacity for a selected regulator. Consult with the regulator or tubing manufacturer for guidance.
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Natural |
Inlet Pressure | 5.0 psi |
Pressure Drop | 3.5 psi |
Specific Gravity | 0.60 |
TUBE SIZE (EHD) | ||||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 39 | 46 | 48 | 60 | 62 |
Length (ft) | Capacity in Cubic Feet of Gas Per Hour | |||||||||||||
10 | 523 | 674 | 1,080 | 1,300 | 2,000 | 2,530 | 4,920 | 5,660 | 8,300 | 9,140 | 18,100 | 19,800 | 34,400 | 40,400 |
25 | 322 | 420 | 691 | 827 | 1,290 | 1,620 | 3,080 | 3,540 | 5,310 | 5,911 | 11,400 | 12,600 | 22,000 | 25,600 |
30 | 292 | 382 | 632 | 755 | 1,180 | 1,480 | 2,800 | 3,230 | 4,860 | 5,420 | 10,400 | 11,500 | 20,100 | 23,400 |
40 | 251 | 329 | 549 | 654 | 1,030 | 1,280 | 2,420 | 2,790 | 4,230 | 4,727 | 8,970 | 10,000 | 17,400 | 20,200 |
50 | 223 | 293 | 492 | 586 | 926 | 1,150 | 2,160 | 2,490 | 3,790 | 4,251 | 8,020 | 8,930 | 15,600 | 18,100 |
75 | 180 | 238 | 403 | 479 | 763 | 944 | 1,750 | 2,020 | 3,110 | 3,506 | 6,530 | 7,320 | 12,800 | 14,800 |
80 | 174 | 230 | 391 | 463 | 740 | 915 | 1,690 | 1,960 | 3,020 | 3,400 | 6,320 | 7,090 | 12,400 | 14,300 |
100 | 154 | 205 | 350 | 415 | 665 | 820 | 1,510 | 1,740 | 2,710 | 3,057 | 5,650 | 6,350 | 11,100 | 12,800 |
150 | 124 | 166 | 287 | 339 | 548 | 672 | 1,230 | 1,420 | 2,220 | 2,521 | 4,600 | 5,200 | 9,130 | 10,500 |
200 | 107 | 143 | 249 | 294 | 478 | 584 | 1,060 | 1,220 | 1,930 | 2,199 | 3,980 | 4,510 | 7,930 | 9,090 |
250 | 95 | 128 | 223 | 263 | 430 | 524 | 945 | 1,090 | 1,730 | 1,977 | 3,550 | 4,040 | 7,110 | 8,140 |
300 | 86 | 116 | 204 | 240 | 394 | 479 | 860 | 995 | 1,590 | 1,813 | 3,240 | 3,690 | 6,500 | 7,430 |
400 | 74 | 100 | 177 | 208 | 343 | 416 | 742 | 858 | 1,380 | 1,581 | 2,800 | 3,210 | 5,650 | 6,440 |
500 | 66 | 89 | 159 | 186 | 309 | 373 | 662 | 766 | 1,040 | 1,422 | 2,500 | 2,870 | 5,060 | 5,760 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table does not include effect of pressure drop across the line regulator. Where regulator loss exceeds 3/4 psi, DO NOT USE THIS TABLE. Consult with the regulator manufacturer for pressure drops and capacity factors. Pressure drops across a regulator may vary with flow rate.
- CAUTION: Capacities shown in the table might exceed maximum capacity for a selected regulator. Consult with the regulator or tubing manufacturer for guidance.
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
POLYETHYLENE PLASTIC PIPE
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 0.3 in. w.c. |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | ||||||||
Nominal OD | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 3 | 4 |
Designation | SDR 9 | SDR 11 | SDR 11 | SDR 10 | SDR 11 | SDR 11 | SDR 11 | SDR 11 |
Actual ID | 0.660 | 0.860 | 1.077 | 1.328 | 1.554 | 1.943 | 2.864 | 3.682 |
Length (ft) | Capacity in Cubic Feet of Gas per Hour | |||||||
10 | 153 | 305 | 551 | 955 | 1,440 | 2,590 | 7,170 | 13,900 |
20 | 105 | 210 | 379 | 656 | 991 | 1,780 | 4,920 | 9,520 |
30 | 84 | 169 | 304 | 527 | 796 | 1,430 | 3,950 | 7,640 |
40 | 72 | 144 | 260 | 451 | 681 | 1,220 | 3,380 | 6,540 |
50 | 64 | 128 | 231 | 400 | 604 | 1,080 | 3,000 | 5,800 |
60 | 58 | 116 | 209 | 362 | 547 | 983 | 2,720 | 5,250 |
70 | 53 | 107 | 192 | 333 | 503 | 904 | 2,500 | 4,830 |
80 | 50 | 99 | 179 | 310 | 468 | 841 | 2,330 | 4,500 |
90 | 46 | 93 | 168 | 291 | 439 | 789 | 2,180 | 4,220 |
100 | 44 | 88 | 159 | 275 | 415 | 745 | 2,060 | 3,990 |
125 | 39 | 78 | 141 | 243 | 368 | 661 | 1,830 | 3,530 |
150 | 35 | 71 | 127 | 221 | 333 | 598 | 1,660 | 3,200 |
175 | 32 | 65 | 117 | 203 | 306 | 551 | 1,520 | 2,940 |
200 | 30 | 60 | 109 | 189 | 285 | 512 | 1,420 | 2,740 |
250 | 27 | 54 | 97 | 167 | 253 | 454 | 1,260 | 2,430 |
300 | 24 | 48 | 88 | 152 | 229 | 411 | 1,140 | 2,200 |
350 | 22 | 45 | 81 | 139 | 211 | 378 | 1,050 | 2,020 |
400 | 21 | 42 | 75 | 130 | 196 | 352 | 974 | 1,880 |
450 | 19 | 39 | 70 | 122 | 184 | 330 | 914 | 1,770 |
500 | 18 | 37 | 66 | 115 | 174 | 312 | 863 | 1,670 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
POLYETHYLENE PLASTIC PIPE
Gas | Natural |
Inlet Pressure | Less than 2 psi |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | ||||||||
Nominal OD | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 3 | 4 |
Designation | SDR 9 | SDR 11 | SDR 11 | SDR 10 | SDR 11 | SDR 11 | SDR 11 | SDR 11 |
Actual ID | 0.660 | 0.860 | 1.077 | 1.328 | 1.554 | 1.943 | 2.864 | 3.682 |
Length (ft) | Capacity in Cubic Feet of Gas per Hour | |||||||
10 | 201 | 403 | 726 | 1,260 | 1,900 | 3,410 | 9,450 | 18,260 |
20 | 138 | 277 | 499 | 865 | 1,310 | 2,350 | 6,490 | 12,550 |
30 | 111 | 222 | 401 | 695 | 1,050 | 1,880 | 5,210 | 10,080 |
40 | 95 | 190 | 343 | 594 | 898 | 1,610 | 4,460 | 8,630 |
50 | 84 | 169 | 304 | 527 | 796 | 1,430 | 3,950 | 7,640 |
60 | 76 | 153 | 276 | 477 | 721 | 1,300 | 3,580 | 6,930 |
70 | 70 | 140 | 254 | 439 | 663 | 1,190 | 3,300 | 6,370 |
80 | 65 | 131 | 236 | 409 | 617 | 1,110 | 3,070 | 5,930 |
90 | 61 | 123 | 221 | 383 | 579 | 1,040 | 2,880 | 5,560 |
100 | 58 | 116 | 209 | 362 | 547 | 983 | 2,720 | 5,250 |
125 | 51 | 103 | 185 | 321 | 485 | 871 | 2,410 | 4,660 |
150 | 46 | 93 | 168 | 291 | 439 | 789 | 2,180 | 4,220 |
175 | 43 | 86 | 154 | 268 | 404 | 726 | 2,010 | 3,880 |
200 | 40 | 80 | 144 | 249 | 376 | 675 | 1,870 | 3,610 |
250 | 35 | 71 | 127 | 221 | 333 | 598 | 1,660 | 3,200 |
300 | 32 | 64 | 115 | 200 | 302 | 542 | 1,500 | 2,900 |
350 | 29 | 59 | 106 | 184 | 278 | 499 | 1,380 | 2,670 |
400 | 27 | 55 | 99 | 171 | 258 | 464 | 1,280 | 2,480 |
450 | 26 | 51 | 93 | 160 | 242 | 435 | 1,200 | 2,330 |
500 | 24 | 48 | 88 | 152 | 229 | 411 | 1,140 | 2,200 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
POLYETHYLENE PLASTIC PIPE
Gas | Natural |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 0.60 |
PIPE SIZE (inch) | ||||||||
Nominal OD | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 3 | 4 |
Designation | SDR 9 | SDR 11 | SDR 11 | SDR 10 | SDR 11 | SDR 11 | SDR 11 | SDR 11 |
Actual ID | 0.660 | 0.860 | 1.077 | 1.328 | 1.554 | 1.943 | 2.864 | 3.682 |
Length (ft) | Capacity in Cubic Feet of Gas per Hour | |||||||
10 | 1,860 | 3,720 | 6,710 | 11,600 | 17,600 | 31,600 | 87,300 | 169,000 |
20 | 1,280 | 2,560 | 4,610 | 7,990 | 12,100 | 21,700 | 60,000 | 116,000 |
30 | 1,030 | 2,050 | 3,710 | 6,420 | 9,690 | 17,400 | 48,200 | 93,200 |
40 | 878 | 1,760 | 3,170 | 5,490 | 8,300 | 14,900 | 41,200 | 79,700 |
50 | 778 | 1,560 | 2,810 | 4,870 | 7,350 | 13,200 | 36,600 | 70,700 |
60 | 705 | 1,410 | 2,550 | 4,410 | 6,660 | 12,000 | 33,100 | 64,000 |
70 | 649 | 1,300 | 2,340 | 4,060 | 6,130 | 11,000 | 30,500 | 58,900 |
80 | 603 | 1,210 | 2,180 | 3,780 | 5,700 | 10,200 | 28,300 | 54,800 |
90 | 566 | 1,130 | 2,050 | 3,540 | 5,350 | 9,610 | 26,600 | 51,400 |
100 | 535 | 1,070 | 1,930 | 3,350 | 5,050 | 9,080 | 25,100 | 48,600 |
125 | 474 | 949 | 1,710 | 2,970 | 4,480 | 8,050 | 22,300 | 43,000 |
150 | 429 | 860 | 1,550 | 2,690 | 4,060 | 7,290 | 20,200 | 39,000 |
175 | 395 | 791 | 1,430 | 2,470 | 3,730 | 6,710 | 18,600 | 35,900 |
200 | 368 | 736 | 1,330 | 2,300 | 3,470 | 6,240 | 17,300 | 33,400 |
250 | 326 | 652 | 1,180 | 2,040 | 3,080 | 5,530 | 15,300 | 29,600 |
300 | 295 | 591 | 1,070 | 1,850 | 2,790 | 5,010 | 13,900 | 26,800 |
350 | 272 | 544 | 981 | 1,700 | 2,570 | 4,610 | 12,800 | 24,700 |
400 | 253 | 506 | 913 | 1,580 | 2,390 | 4,290 | 11,900 | 22,900 |
450 | 237 | 475 | 856 | 1,480 | 2,240 | 4,020 | 11,100 | 21,500 |
500 | 224 | 448 | 809 | 1,400 | 2,120 | 3,800 | 10,500 | 20,300 |
550 | 213 | 426 | 768 | 1,330 | 2,010 | 3,610 | 9,990 | 19,300 |
600 | 203 | 406 | 733 | 1,270 | 1,920 | 3,440 | 9,530 | 18,400 |
650 | 194 | 389 | 702 | 1,220 | 1,840 | 3,300 | 9,130 | 17,600 |
700 | 187 | 374 | 674 | 1,170 | 1,760 | 3,170 | 8,770 | 16,900 |
750 | 180 | 360 | 649 | 1,130 | 1,700 | 3,050 | 8,450 | 16,300 |
800 | 174 | 348 | 627 | 1,090 | 1,640 | 2,950 | 8,160 | 15,800 |
850 | 168 | 336 | 607 | 1,050 | 1,590 | 2,850 | 7,890 | 15,300 |
900 | 163 | 326 | 588 | 1,020 | 1,540 | 2,770 | 7,650 | 14,800 |
950 | 158 | 317 | 572 | 990 | 1,500 | 2,690 | 7,430 | 14,400 |
1,000 | 154 | 308 | 556 | 963 | 1,450 | 2,610 | 7,230 | 14,000 |
1,100 | 146 | 293 | 528 | 915 | 1,380 | 2,480 | 6,870 | 13,300 |
1,200 | 139 | 279 | 504 | 873 | 1,320 | 2,370 | 6,550 | 12,700 |
1,300 | 134 | 267 | 482 | 836 | 1,260 | 2,270 | 6,270 | 12,100 |
1,400 | 128 | 257 | 463 | 803 | 1,210 | 2,180 | 6,030 | 11,600 |
1,500 | 124 | 247 | 446 | 773 | 1,170 | 2,100 | 5,810 | 11,200 |
1,600 | 119 | 239 | 431 | 747 | 1,130 | 2,030 | 5,610 | 10,800 |
1,700 | 115 | 231 | 417 | 723 | 1,090 | 1,960 | 5,430 | 10,500 |
1,800 | 112 | 224 | 404 | 701 | 1,060 | 1,900 | 5,260 | 10,200 |
1,900 | 109 | 218 | 393 | 680 | 1,030 | 1,850 | 5,110 | 9,900 |
2,000 | 106 | 212 | 382 | 662 | 1,000 | 1,800 | 4,970 | 9,600 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
POLYETHYLENE PLASTIC TUBING
Gas | Natural |
Inlet Pressure | Less than 2.0 psi |
Pressure Drop | 0.3 in. w.c. |
Specific Gravity | 0.60 |
PLASTIC TUBING SIZE (CTS) (inch) | ||
Nominal OD | 1/2 | 3/4 |
Designation | SDR 7 | SDR 11 |
Actual ID | 0.445 | 0.927 |
Length (ft) | Capacity in Cubic Feet of Gas per Hour | |
10 | 54 | 372 |
20 | 37 | 256 |
30 | 30 | 205 |
40 | 26 | 176 |
50 | 23 | 156 |
60 | 21 | 141 |
70 | 19 | 130 |
80 | 18 | 121 |
90 | 17 | 113 |
100 | 16 | 107 |
125 | 14 | 95 |
150 | 13 | 86 |
175 | 12 | 79 |
200 | 11 | 74 |
225 | 10 | 69 |
250 | NA | 65 |
275 | NA | 62 |
300 | NA | 59 |
350 | NA | 54 |
400 | NA | 51 |
450 | NA | 47 |
500 | NA | 45 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- NA means a flow of less than 10 cfh.
- All table entries have been rounded to three significant digits.
POLYETHYLENE PLASTIC TUBING
Gas | Natural |
Inlet Pressure | Less than 2.0 psi |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 0.60 |
PLASTIC TUBING SIZE (CTS) (inch) | ||
Nominal OD | 1/2 | 3/4 |
Designation | SDR 7 | SDR 11 |
Actual ID | 0.445 | 0.927 |
Length (ft) | Capacity in Cubic Feet of Gas per Hour | |
10 | 72 | 490 |
20 | 49 | 337 |
30 | 39 | 271 |
40 | 34 | 232 |
50 | 30 | 205 |
60 | 27 | 186 |
70 | 25 | 171 |
80 | 23 | 159 |
90 | 22 | 149 |
100 | 21 | 141 |
125 | 18 | 125 |
150 | 17 | 113 |
175 | 15 | 104 |
200 | 14 | 97 |
225 | 13 | 91 |
250 | 12 | 86 |
275 | 11 | 82 |
300 | 11 | 78 |
350 | 10 | 72 |
400 | NA | 67 |
450 | NA | 63 |
500 | NA | 59 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- NA means a flow of less than 10 cfh.
- All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Undiluted Propane |
Inlet Pressure | 10.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 1.50 |
INTENDED USE | Pipe sizing between first stage (high-pressure regulator) and second stage (low-pressure regulator). | ||||||||
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||
10 | 3,320 | 6,950 | 13,100 | 26,900 | 40,300 | 77,600 | 124,000 | 219,000 | 446,000 |
20 | 2,280 | 4,780 | 9,000 | 18,500 | 27,700 | 53,300 | 85,000 | 150,000 | 306,000 |
30 | 1,830 | 3,840 | 7,220 | 14,800 | 22,200 | 42,800 | 68,200 | 121,000 | 246,000 |
40 | 1,570 | 3,280 | 6,180 | 12,700 | 19,000 | 36,600 | 58,400 | 103,000 | 211,000 |
50 | 1,390 | 2,910 | 5,480 | 11,300 | 16,900 | 32,500 | 51,700 | 91,500 | 187,000 |
60 | 1,260 | 2,640 | 4,970 | 10,200 | 15,300 | 29,400 | 46,900 | 82,900 | 169,000 |
70 | 1,160 | 2,430 | 4,570 | 9,380 | 14,100 | 27,100 | 43,100 | 76,300 | 156,000 |
80 | 1,080 | 2,260 | 4,250 | 8,730 | 13,100 | 25,200 | 40,100 | 70,900 | 145,000 |
90 | 1,010 | 2,120 | 3,990 | 8,190 | 12,300 | 23,600 | 37,700 | 66,600 | 136,000 |
100 | 956 | 2,000 | 3,770 | 7,730 | 11,600 | 22,300 | 35,600 | 62,900 | 128,000 |
125 | 848 | 1,770 | 3,340 | 6,850 | 10,300 | 19,800 | 31,500 | 55,700 | 114,000 |
150 | 768 | 1,610 | 3,020 | 6,210 | 9,300 | 17,900 | 28,600 | 50,500 | 103,000 |
175 | 706 | 1,480 | 2,780 | 5,710 | 8,560 | 16,500 | 26,300 | 46,500 | 94,700 |
200 | 657 | 1,370 | 2,590 | 5,320 | 7,960 | 15,300 | 24,400 | 43,200 | 88,100 |
250 | 582 | 1,220 | 2,290 | 4,710 | 7,060 | 13,600 | 21,700 | 38,300 | 78,100 |
300 | 528 | 1,100 | 2,080 | 4,270 | 6,400 | 12,300 | 19,600 | 34,700 | 70,800 |
350 | 486 | 1,020 | 1,910 | 3,930 | 5,880 | 11,300 | 18,100 | 31,900 | 65,100 |
400 | 452 | 945 | 1,780 | 3,650 | 5,470 | 10,500 | 16,800 | 29,700 | 60,600 |
450 | 424 | 886 | 1,670 | 3,430 | 5,140 | 9,890 | 15,800 | 27,900 | 56,800 |
500 | 400 | 837 | 1,580 | 3,240 | 4,850 | 9,340 | 14,900 | 26,300 | 53,700 |
550 | 380 | 795 | 1,500 | 3,070 | 4,610 | 8,870 | 14,100 | 25,000 | 51,000 |
600 | 363 | 759 | 1,430 | 2,930 | 4,400 | 8,460 | 13,500 | 23,900 | 48,600 |
650 | 347 | 726 | 1,370 | 2,810 | 4,210 | 8,110 | 12,900 | 22,800 | 46,600 |
700 | 334 | 698 | 1,310 | 2,700 | 4,040 | 7,790 | 12,400 | 21,900 | 44,800 |
750 | 321 | 672 | 1,270 | 2,600 | 3,900 | 7,500 | 12,000 | 21,100 | 43,100 |
800 | 310 | 649 | 1,220 | 2,510 | 3,760 | 7,240 | 11,500 | 20,400 | 41,600 |
850 | 300 | 628 | 1,180 | 2,430 | 3,640 | 7,010 | 11,200 | 19,800 | 40,300 |
900 | 291 | 609 | 1,150 | 2,360 | 3,530 | 6,800 | 10,800 | 19,200 | 39,100 |
950 | 283 | 592 | 1,110 | 2,290 | 3,430 | 6,600 | 10,500 | 18,600 | 37,900 |
1,000 | 275 | 575 | 1,080 | 2,230 | 3,330 | 6,420 | 10,200 | 18,100 | 36,900 |
1,100 | 261 | 546 | 1,030 | 2,110 | 3,170 | 6,100 | 9,720 | 17,200 | 35,000 |
1,200 | 249 | 521 | 982 | 2,020 | 3,020 | 5,820 | 9,270 | 16,400 | 33,400 |
1,300 | 239 | 499 | 940 | 1,930 | 2,890 | 5,570 | 8,880 | 15,700 | 32,000 |
1,400 | 229 | 480 | 903 | 1,850 | 2,780 | 5,350 | 8,530 | 15,100 | 30,800 |
1,500 | 221 | 462 | 870 | 1,790 | 2,680 | 5,160 | 8,220 | 14,500 | 29,600 |
1,600 | 213 | 446 | 840 | 1,730 | 2,590 | 4,980 | 7,940 | 14,000 | 28,600 |
1,700 | 206 | 432 | 813 | 1,670 | 2,500 | 4,820 | 7,680 | 13,600 | 27,700 |
1,800 | 200 | 419 | 789 | 1,620 | 2,430 | 4,670 | 7,450 | 13,200 | 26,900 |
1,900 | 194 | 407 | 766 | 1,570 | 2,360 | 4,540 | 7,230 | 12,800 | 26,100 |
2,000 | 189 | 395 | 745 | 1,530 | 2,290 | 4,410 | 7,030 | 12,400 | 25,400 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Undiluted Propane |
Inlet Pressure | 10.0 psi |
Pressure Drop | 3.0 psi |
Specific Gravity | 1.50 |
INTENDED USE | Pipe sizing between first stage (high-pressure regulator) and second stage (low-pressure regulator). | ||||||||
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||
10 | 5,890 | 12,300 | 23,200 | 47,600 | 71,300 | 137,000 | 219,000 | 387,000 | 789,000 |
20 | 4,050 | 8,460 | 15,900 | 32,700 | 49,000 | 94,400 | 150,000 | 266,000 | 543,000 |
30 | 3,250 | 6,790 | 12,800 | 26,300 | 39,400 | 75,800 | 121,000 | 214,000 | 436,000 |
40 | 2,780 | 5,810 | 11,000 | 22,500 | 33,700 | 64,900 | 103,000 | 183,000 | 373,000 |
50 | 2,460 | 5,150 | 9,710 | 19,900 | 29,900 | 57,500 | 91,600 | 162,000 | 330,000 |
60 | 2,230 | 4,670 | 8,790 | 18,100 | 27,100 | 52,100 | 83,000 | 147,000 | 299,000 |
70 | 2,050 | 4,300 | 8,090 | 16,600 | 24,900 | 47,900 | 76,400 | 135,000 | 275,000 |
80 | 1,910 | 4,000 | 7,530 | 15,500 | 23,200 | 44,600 | 71,100 | 126,000 | 256,000 |
90 | 1,790 | 3,750 | 7,060 | 14,500 | 21,700 | 41,800 | 66,700 | 118,000 | 240,000 |
100 | 1,690 | 3,540 | 6,670 | 13,700 | 20,500 | 39,500 | 63,000 | 111,000 | 227,000 |
125 | 1,500 | 3,140 | 5,910 | 12,100 | 18,200 | 35,000 | 55,800 | 98,700 | 201,000 |
150 | 1,360 | 2,840 | 5,360 | 11,000 | 16,500 | 31,700 | 50,600 | 89,400 | 182,000 |
175 | 1,250 | 2,620 | 4,930 | 10,100 | 15,200 | 29,200 | 46,500 | 82,300 | 167,800 |
200 | 1,160 | 2,430 | 4,580 | 9,410 | 14,100 | 27,200 | 43,300 | 76,500 | 156,100 |
250 | 1,030 | 2,160 | 4,060 | 8,340 | 12,500 | 24,100 | 38,400 | 67,800 | 138,400 |
300 | 935 | 1,950 | 3,680 | 7,560 | 11,300 | 21,800 | 34,800 | 61,500 | 125,400 |
350 | 860 | 1,800 | 3,390 | 6,950 | 10,400 | 20,100 | 32,000 | 56,500 | 115,300 |
400 | 800 | 1,670 | 3,150 | 6,470 | 9,690 | 18,700 | 29,800 | 52,600 | 107,300 |
450 | 751 | 1,570 | 2,960 | 6,070 | 9,090 | 17,500 | 27,900 | 49,400 | 100,700 |
500 | 709 | 1,480 | 2,790 | 5,730 | 8,590 | 16,500 | 26,400 | 46,600 | 95,100 |
550 | 673 | 1,410 | 2,650 | 5,450 | 8,160 | 15,700 | 25,000 | 44,300 | 90,300 |
600 | 642 | 1,340 | 2,530 | 5,200 | 7,780 | 15,000 | 23,900 | 42,200 | 86,200 |
650 | 615 | 1,290 | 2,420 | 4,980 | 7,450 | 14,400 | 22,900 | 40,500 | 82,500 |
700 | 591 | 1,240 | 2,330 | 4,780 | 7,160 | 13,800 | 22,000 | 38,900 | 79,300 |
750 | 569 | 1,190 | 2,240 | 4,600 | 6,900 | 13,300 | 21,200 | 37,400 | 76,400 |
800 | 550 | 1,150 | 2,170 | 4,450 | 6,660 | 12,800 | 20,500 | 36,200 | 73,700 |
850 | 532 | 1,110 | 2,100 | 4,300 | 6,450 | 12,400 | 19,800 | 35,000 | 71,400 |
900 | 516 | 1,080 | 2,030 | 4,170 | 6,250 | 12,000 | 19,200 | 33,900 | 69,200 |
950 | 501 | 1,050 | 1,970 | 4,050 | 6,070 | 11,700 | 18,600 | 32,900 | 67,200 |
1,000 | 487 | 1,020 | 1,920 | 3,940 | 5,900 | 11,400 | 18,100 | 32,000 | 65,400 |
1,100 | 463 | 968 | 1,820 | 3,740 | 5,610 | 10,800 | 17,200 | 30,400 | 62,100 |
1,200 | 442 | 923 | 1,740 | 3,570 | 5,350 | 10,300 | 16,400 | 29,000 | 59,200 |
1,300 | 423 | 884 | 1,670 | 3,420 | 5,120 | 9,870 | 15,700 | 27,800 | 56,700 |
1,400 | 406 | 849 | 1,600 | 3,280 | 4,920 | 9,480 | 15,100 | 26,700 | 54,500 |
1,500 | 391 | 818 | 1,540 | 3,160 | 4,740 | 9,130 | 14,600 | 25,700 | 52,500 |
1,600 | 378 | 790 | 1,490 | 3,060 | 4,580 | 8,820 | 14,100 | 24,800 | 50,700 |
1,700 | 366 | 765 | 1,440 | 2,960 | 4,430 | 8,530 | 13,600 | 24,000 | 49,000 |
1,800 | 355 | 741 | 1,400 | 2,870 | 4,300 | 8,270 | 13,200 | 23,300 | 47,600 |
1,900 | 344 | 720 | 1,360 | 2,780 | 4,170 | 8,040 | 12,800 | 22,600 | 46,200 |
2,000 | 335 | 700 | 1,320 | 2,710 | 4,060 | 7,820 | 12,500 | 22,000 | 44,900 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Undiluted Propane |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 1.50 |
INTENDED USE | Pipe sizing between 2 psig service and line pressure regulator. | ||||||||
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||
10 | 2,680 | 5,590 | 10,500 | 21,600 | 32,400 | 62,400 | 99,500 | 176,000 | 359,000 |
20 | 1,840 | 3,850 | 7,240 | 14,900 | 22,300 | 42,900 | 68,400 | 121,000 | 247,000 |
30 | 1,480 | 3,090 | 5,820 | 11,900 | 17,900 | 34,500 | 54,900 | 97,100 | 198,000 |
40 | 1,260 | 2,640 | 4,980 | 10,200 | 15,300 | 29,500 | 47,000 | 83,100 | 170,000 |
50 | 1,120 | 2,340 | 4,410 | 9,060 | 13,600 | 26,100 | 41,700 | 73,700 | 150,000 |
60 | 1,010 | 2,120 | 4,000 | 8,210 | 12,300 | 23,700 | 37,700 | 66,700 | 136,000 |
70 | 934 | 1,950 | 3,680 | 7,550 | 11,300 | 21,800 | 34,700 | 61,400 | 125,000 |
80 | 869 | 1,820 | 3,420 | 7,020 | 10,500 | 20,300 | 32,300 | 57,100 | 116,000 |
90 | 815 | 1,700 | 3,210 | 6,590 | 9,880 | 19,000 | 30,300 | 53,600 | 109,000 |
100 | 770 | 1,610 | 3,030 | 6,230 | 9,330 | 18,000 | 28,600 | 50,600 | 103,000 |
125 | 682 | 1,430 | 2,690 | 5,520 | 8,270 | 15,900 | 25,400 | 44,900 | 91,500 |
150 | 618 | 1,290 | 2,440 | 5,000 | 7,490 | 14,400 | 23,000 | 40,700 | 82,900 |
175 | 569 | 1,190 | 2,240 | 4,600 | 6,890 | 13,300 | 21,200 | 37,400 | 76,300 |
200 | 529 | 1,110 | 2,080 | 4,280 | 6,410 | 12,300 | 19,700 | 34,800 | 71,000 |
250 | 469 | 981 | 1,850 | 3,790 | 5,680 | 10,900 | 17,400 | 30,800 | 62,900 |
300 | 425 | 889 | 1,670 | 3,440 | 5,150 | 9,920 | 15,800 | 27,900 | 57,000 |
350 | 391 | 817 | 1,540 | 3,160 | 4,740 | 9,120 | 14,500 | 25,700 | 52,400 |
400 | 364 | 760 | 1,430 | 2,940 | 4,410 | 8,490 | 13,500 | 23,900 | 48,800 |
450 | 341 | 714 | 1,340 | 2,760 | 4,130 | 7,960 | 12,700 | 22,400 | 45,800 |
500 | 322 | 674 | 1,270 | 2,610 | 3,910 | 7,520 | 12,000 | 21,200 | 43,200 |
550 | 306 | 640 | 1,210 | 2,480 | 3,710 | 7,140 | 11,400 | 20,100 | 41,100 |
600 | 292 | 611 | 1,150 | 2,360 | 3,540 | 6,820 | 10,900 | 19,200 | 39,200 |
650 | 280 | 585 | 1,100 | 2,260 | 3,390 | 6,530 | 10,400 | 18,400 | 37,500 |
700 | 269 | 562 | 1,060 | 2,170 | 3,260 | 6,270 | 9,990 | 17,700 | 36,000 |
750 | 259 | 541 | 1,020 | 2,090 | 3,140 | 6,040 | 9,630 | 17,000 | 34,700 |
800 | 250 | 523 | 985 | 2,020 | 3,030 | 5,830 | 9,300 | 16,400 | 33,500 |
850 | 242 | 506 | 953 | 1,960 | 2,930 | 5,640 | 9,000 | 15,900 | 32,400 |
900 | 235 | 490 | 924 | 1,900 | 2,840 | 5,470 | 8,720 | 15,400 | 31,500 |
950 | 228 | 476 | 897 | 1,840 | 2,760 | 5,310 | 8,470 | 15,000 | 30,500 |
1,000 | 222 | 463 | 873 | 1,790 | 2,680 | 5,170 | 8,240 | 14,600 | 29,700 |
1,100 | 210 | 440 | 829 | 1,700 | 2,550 | 4,910 | 7,830 | 13,800 | 28,200 |
1,200 | 201 | 420 | 791 | 1,620 | 2,430 | 4,680 | 7,470 | 13,200 | 26,900 |
1,300 | 192 | 402 | 757 | 1,550 | 2,330 | 4,490 | 7,150 | 12,600 | 25,800 |
1,400 | 185 | 386 | 727 | 1,490 | 2,240 | 4,310 | 6,870 | 12,100 | 24,800 |
1,500 | 178 | 372 | 701 | 1,440 | 2,160 | 4,150 | 6,620 | 11,700 | 23,900 |
1,600 | 172 | 359 | 677 | 1,390 | 2,080 | 4,010 | 6,390 | 11,300 | 23,000 |
1,700 | 166 | 348 | 655 | 1,340 | 2,010 | 3,880 | 6,180 | 10,900 | 22,300 |
1,800 | 161 | 337 | 635 | 1,300 | 1,950 | 3,760 | 6,000 | 10,600 | 21,600 |
1,900 | 157 | 327 | 617 | 1,270 | 1,900 | 3,650 | 5,820 | 10,300 | 21,000 |
2,000 | 152 | 318 | 600 | 1,230 | 1,840 | 3,550 | 5,660 | 10,000 | 20,400 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SCHEDULE 40 METALLIC PIPE
Gas | Undiluted Propane |
Inlet Pressure | 11.0 in. w.c. |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 1.50 |
INTENDED USE | Pipe sizing between single- or second-stage (low pressure) regulator and appliance. | ||||||||
PIPE SIZE (inch) | |||||||||
Nominal | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 |
Actual ID | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||
10 | 291 | 608 | 1,150 | 2,350 | 3,520 | 6,790 | 10,800 | 19,100 | 39,000 |
20 | 200 | 418 | 787 | 1,620 | 2,420 | 4,660 | 7,430 | 13,100 | 26,800 |
30 | 160 | 336 | 632 | 1,300 | 1,940 | 3,750 | 5,970 | 10,600 | 21,500 |
40 | 137 | 287 | 541 | 1,110 | 1,660 | 3,210 | 5,110 | 9,030 | 18,400 |
50 | 122 | 255 | 480 | 985 | 1,480 | 2,840 | 4,530 | 8,000 | 16,300 |
60 | 110 | 231 | 434 | 892 | 1,340 | 2,570 | 4,100 | 7,250 | 14,800 |
80 | 101 | 212 | 400 | 821 | 1,230 | 2,370 | 3,770 | 6,670 | 13,600 |
100 | 94 | 197 | 372 | 763 | 1,140 | 2,200 | 3,510 | 6,210 | 12,700 |
125 | 89 | 185 | 349 | 716 | 1,070 | 2,070 | 3,290 | 5,820 | 11,900 |
150 | 84 | 175 | 330 | 677 | 1,010 | 1,950 | 3,110 | 5,500 | 11,200 |
175 | 74 | 155 | 292 | 600 | 899 | 1,730 | 2,760 | 4,880 | 9,950 |
200 | 67 | 140 | 265 | 543 | 814 | 1,570 | 2,500 | 4,420 | 9,010 |
250 | 62 | 129 | 243 | 500 | 749 | 1,440 | 2,300 | 4,060 | 8,290 |
300 | 58 | 120 | 227 | 465 | 697 | 1,340 | 2,140 | 3,780 | 7,710 |
350 | 51 | 107 | 201 | 412 | 618 | 1,190 | 1,900 | 3,350 | 6,840 |
400 | 46 | 97 | 182 | 373 | 560 | 1,080 | 1,720 | 3,040 | 6,190 |
450 | 42 | 89 | 167 | 344 | 515 | 991 | 1,580 | 2,790 | 5,700 |
500 | 40 | 83 | 156 | 320 | 479 | 922 | 1,470 | 2,600 | 5,300 |
550 | 37 | 78 | 146 | 300 | 449 | 865 | 1,380 | 2,440 | 4,970 |
600 | 35 | 73 | 138 | 283 | 424 | 817 | 1,300 | 2,300 | 4,700 |
650 | 33 | 70 | 131 | 269 | 403 | 776 | 1,240 | 2,190 | 4,460 |
700 | 32 | 66 | 125 | 257 | 385 | 741 | 1,180 | 2,090 | 4,260 |
750 | 30 | 64 | 120 | 246 | 368 | 709 | 1,130 | 2,000 | 4,080 |
800 | 29 | 61 | 115 | 236 | 354 | 681 | 1,090 | 1,920 | 3,920 |
850 | 28 | 59 | 111 | 227 | 341 | 656 | 1,050 | 1,850 | 3,770 |
900 | 27 | 57 | 107 | 220 | 329 | 634 | 1,010 | 1,790 | 3,640 |
950 | 26 | 55 | 104 | 213 | 319 | 613 | 978 | 1,730 | 3,530 |
1,000 | 25 | 53 | 100 | 206 | 309 | 595 | 948 | 1,680 | 3,420 |
1,100 | 25 | 52 | 97 | 200 | 300 | 578 | 921 | 1,630 | 3,320 |
1,200 | 24 | 50 | 95 | 195 | 292 | 562 | 895 | 1,580 | 3,230 |
1,300 | 23 | 48 | 90 | 185 | 277 | 534 | 850 | 1,500 | 3,070 |
1,400 | 22 | 46 | 86 | 176 | 264 | 509 | 811 | 1,430 | 2,930 |
1,500 | 21 | 44 | 82 | 169 | 253 | 487 | 777 | 1,370 | 2,800 |
1,600 | 20 | 42 | 79 | 162 | 243 | 468 | 746 | 1,320 | 2,690 |
1,700 | 19 | 40 | 76 | 156 | 234 | 451 | 719 | 1,270 | 2,590 |
1,800 | 19 | 39 | 74 | 151 | 226 | 436 | 694 | 1,230 | 2,500 |
1,900 | 18 | 38 | 71 | 146 | 219 | 422 | 672 | 1,190 | 2,420 |
2,000 | 18 | 37 | 69 | 142 | 212 | 409 | 652 | 1,150 | 2,350 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
SEMIRIGID COPPER TUBING
Gas | Undiluted Propane |
Inlet Pressure | 10.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 1.50 |
INTENDED USE | Sizing between first stage (high-pressure regulator) and second stage (low-pressure regulator). | |||||||||
TUBE SIZE (in.) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Thousands of Btu per Hour | |||||||||
10 | 513 | 1,060 | 2,150 | 3,760 | 5,330 | 11,400 | 20,500 | 32,300 | 67,400 | |
20 | 352 | 727 | 1,480 | 2,580 | 3,670 | 7,830 | 14,100 | 22,200 | 46,300 | |
30 | 283 | 584 | 1,190 | 2,080 | 2,940 | 6,290 | 11,300 | 17,900 | 37,200 | |
40 | 242 | 500 | 1,020 | 1,780 | 2,520 | 5,380 | 9,690 | 15,300 | 31,800 | |
50 | 215 | 443 | 901 | 1,570 | 2,230 | 4,770 | 8,590 | 13,500 | 28,200 | |
60 | 194 | 401 | 816 | 1,430 | 2,020 | 4,320 | 7,780 | 12,300 | 25,600 | |
70 | 179 | 369 | 751 | 1,310 | 1,860 | 3,980 | 7,160 | 11,300 | 23,500 | |
80 | 166 | 343 | 699 | 1,220 | 1,730 | 3,700 | 6,660 | 10,500 | 21,900 | |
90 | 156 | 322 | 655 | 1,150 | 1,630 | 3,470 | 6,250 | 9,850 | 20,500 | |
100 | 147 | 304 | 619 | 1,080 | 1,540 | 3,280 | 5,900 | 9,310 | 19,400 | |
125 | 131 | 270 | 549 | 959 | 1,360 | 2,910 | 5,230 | 8,250 | 17,200 | |
150 | 118 | 244 | 497 | 869 | 1,230 | 2,630 | 4,740 | 7,470 | 15,600 | |
175 | 109 | 225 | 457 | 799 | 1,130 | 2,420 | 4,360 | 6,880 | 14,300 | |
200 | 101 | 209 | 426 | 744 | 1,060 | 2,250 | 4,060 | 6,400 | 13,300 | |
250 | 90 | 185 | 377 | 659 | 935 | 2,000 | 3,600 | 5,670 | 11,800 | |
300 | 81 | 168 | 342 | 597 | 847 | 1,810 | 3,260 | 5,140 | 10,700 | |
350 | 75 | 155 | 314 | 549 | 779 | 1,660 | 3,000 | 4,730 | 9,840 | |
400 | 70 | 144 | 292 | 511 | 725 | 1,550 | 2,790 | 4,400 | 9,160 | |
450 | 65 | 135 | 274 | 480 | 680 | 1,450 | 2,620 | 4,130 | 8,590 | |
500 | 62 | 127 | 259 | 453 | 643 | 1,370 | 2,470 | 3,900 | 8,120 | |
550 | 59 | 121 | 246 | 430 | 610 | 1,300 | 2,350 | 3,700 | 7,710 | |
600 | 56 | 115 | 235 | 410 | 582 | 1,240 | 2,240 | 3,530 | 7,350 | |
650 | 54 | 111 | 225 | 393 | 558 | 1,190 | 2,140 | 3,380 | 7,040 | |
700 | 51 | 106 | 216 | 378 | 536 | 1,140 | 2,060 | 3,250 | 6,770 | |
750 | 50 | 102 | 208 | 364 | 516 | 1,100 | 1,980 | 3,130 | 6,520 | |
800 | 48 | 99 | 201 | 351 | 498 | 1,060 | 1,920 | 3,020 | 6,290 | |
850 | 46 | 96 | 195 | 340 | 482 | 1,030 | 1,850 | 2,920 | 6,090 | |
900 | 45 | 93 | 189 | 330 | 468 | 1,000 | 1,800 | 2,840 | 5,910 | |
950 | 44 | 90 | 183 | 320 | 454 | 970 | 1,750 | 2,750 | 5,730 | |
1,000 | 42 | 88 | 178 | 311 | 442 | 944 | 1,700 | 2,680 | 5,580 | |
1,100 | 40 | 83 | 169 | 296 | 420 | 896 | 1,610 | 2,540 | 5,300 | |
1,200 | 38 | 79 | 161 | 282 | 400 | 855 | 1,540 | 2,430 | 5,050 | |
1,300 | 37 | 76 | 155 | 270 | 383 | 819 | 1,470 | 2,320 | 4,840 | |
1,400 | 35 | 73 | 148 | 260 | 368 | 787 | 1,420 | 2,230 | 4,650 | |
1,500 | 34 | 70 | 143 | 250 | 355 | 758 | 1,360 | 2,150 | 4,480 | |
1,600 | 33 | 68 | 138 | 241 | 343 | 732 | 1,320 | 2,080 | 4,330 | |
1,700 | 32 | 66 | 134 | 234 | 331 | 708 | 1,270 | 2,010 | 4,190 | |
1,800 | 31 | 64 | 130 | 227 | 321 | 687 | 1,240 | 1,950 | 4,060 | |
1,900 | 30 | 62 | 126 | 220 | 312 | 667 | 1,200 | 1,890 | 3,940 | |
2,000 | 29 | 60 | 122 | 214 | 304 | 648 | 1,170 | 1,840 | 3,830 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
SEMIRIGID COPPER TUBING
Gas | Undiluted Propane |
Inlet Pressure | 11.0 in. w.c. |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 1.50 |
INTENDED USE | Sizing between single or second stage (low-pressure regulator) and appliance. | |||||||||
TUBE SIZE (inch) | ||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | |
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | |
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | |
Length (ft) | Capacity in Thousands of Btu per Hour | |||||||||
10 | 45 | 93 | 188 | 329 | 467 | 997 | 1,800 | 2,830 | 5,890 | |
20 | 31 | 64 | 129 | 226 | 321 | 685 | 1,230 | 1,950 | 4,050 | |
30 | 25 | 51 | 104 | 182 | 258 | 550 | 991 | 1,560 | 3,250 | |
40 | 21 | 44 | 89 | 155 | 220 | 471 | 848 | 1,340 | 2,780 | |
50 | 19 | 39 | 79 | 138 | 195 | 417 | 752 | 1,180 | 2,470 | |
60 | 17 | 35 | 71 | 125 | 177 | 378 | 681 | 1,070 | 2,240 | |
70 | 16 | 32 | 66 | 115 | 163 | 348 | 626 | 988 | 2,060 | |
80 | 15 | 30 | 61 | 107 | 152 | 324 | 583 | 919 | 1,910 | |
90 | 14 | 28 | 57 | 100 | 142 | 304 | 547 | 862 | 1,800 | |
100 | 13 | 27 | 54 | 95 | 134 | 287 | 517 | 814 | 1,700 | |
125 | 11 | 24 | 48 | 84 | 119 | 254 | 458 | 722 | 1,500 | |
150 | 10 | 21 | 44 | 76 | 108 | 230 | 415 | 654 | 1,360 | |
175 | NA | 20 | 40 | 70 | 99 | 212 | 382 | 602 | 1,250 | |
200 | NA | 18 | 37 | 65 | 92 | 197 | 355 | 560 | 1,170 | |
250 | NA | 16 | 33 | 58 | 82 | 175 | 315 | 496 | 1,030 | |
300 | NA | 15 | 30 | 52 | 74 | 158 | 285 | 449 | 936 | |
350 | NA | 14 | 28 | 48 | 68 | 146 | 262 | 414 | 861 | |
400 | NA | 13 | 26 | 45 | 63 | 136 | 244 | 385 | 801 | |
450 | NA | 12 | 24 | 42 | 60 | 127 | 229 | 361 | 752 | |
500 | NA | 11 | 23 | 40 | 56 | 120 | 216 | 341 | 710 | |
550 | NA | 11 | 22 | 38 | 53 | 114 | 205 | 324 | 674 | |
600 | NA | 10 | 21 | 36 | 51 | 109 | 196 | 309 | 643 | |
650 | NA | NA | 20 | 34 | 49 | 104 | 188 | 296 | 616 | |
700 | NA | NA | 19 | 33 | 47 | 100 | 180 | 284 | 592 | |
750 | NA | NA | 18 | 32 | 45 | 96 | 174 | 274 | 570 | |
800 | NA | NA | 18 | 31 | 44 | 93 | 168 | 264 | 551 | |
850 | NA | NA | 17 | 30 | 42 | 90 | 162 | 256 | 533 | |
900 | NA | NA | 17 | 29 | 41 | 87 | 157 | 248 | 517 | |
950 | NA | NA | 16 | 28 | 40 | 85 | 153 | 241 | 502 | |
1,000 | NA | NA | 16 | 27 | 39 | 83 | 149 | 234 | 488 | |
1,100 | NA | NA | 15 | 26 | 37 | 78 | 141 | 223 | 464 | |
1,200 | NA | NA | 14 | 25 | 35 | 75 | 135 | 212 | 442 | |
1,300 | NA | NA | 14 | 24 | 34 | 72 | 129 | 203 | 423 | |
1,400 | NA | NA | 13 | 23 | 32 | 69 | 124 | 195 | 407 | |
1,500 | NA | NA | 13 | 22 | 31 | 66 | 119 | 188 | 392 | |
1,600 | NA | NA | 12 | 21 | 30 | 64 | 115 | 182 | 378 | |
1,700 | NA | NA | 12 | 20 | 29 | 62 | 112 | 176 | 366 | |
1,800 | NA | NA | 11 | 20 | 28 | 60 | 108 | 170 | 355 | |
1,900 | NA | NA | 11 | 19 | 27 | 58 | 105 | 166 | 345 | |
2,000 | NA | NA | 11 | 19 | 27 | 57 | 102 | 161 | 335 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
SEMIRIGID COPPER TUBING
Gas | Undiluted Propane |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 1.50 |
INTENDED USE | Tube sizing between 2 psig service and line pressure regulator. | ||||||||||
TUBE SIZE (inch) | |||||||||||
Nominal | K & L | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 11/4 | 11/2 | 2 | |
ACR | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 11/8 | 13/8 | — | — | ||
Outside | 0.375 | 0.500 | 0.625 | 0.750 | 0.875 | 1.125 | 1.375 | 1.625 | 2.125 | ||
Inside | 0.305 | 0.402 | 0.527 | 0.652 | 0.745 | 0.995 | 1.245 | 1.481 | 1.959 | ||
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||||
10 | 413 | 852 | 1,730 | 3,030 | 4,300 | 9,170 | 16,500 | 26,000 | 54,200 | ||
20 | 284 | 585 | 1,190 | 2,080 | 2,950 | 6,310 | 11,400 | 17,900 | 37,300 | ||
30 | 228 | 470 | 956 | 1,670 | 2,370 | 5,060 | 9,120 | 14,400 | 29,900 | ||
40 | 195 | 402 | 818 | 1,430 | 2,030 | 4,330 | 7,800 | 12,300 | 25,600 | ||
50 | 173 | 356 | 725 | 1,270 | 1,800 | 3,840 | 6,920 | 10,900 | 22,700 | ||
60 | 157 | 323 | 657 | 1,150 | 1,630 | 3,480 | 6,270 | 9,880 | 20,600 | ||
70 | 144 | 297 | 605 | 1,060 | 1,500 | 3,200 | 5,760 | 9,090 | 18,900 | ||
80 | 134 | 276 | 562 | 983 | 1,390 | 2,980 | 5,360 | 8,450 | 17,600 | ||
90 | 126 | 259 | 528 | 922 | 1,310 | 2,790 | 5,030 | 7,930 | 16,500 | ||
100 | 119 | 245 | 498 | 871 | 1,240 | 2,640 | 4,750 | 7,490 | 15,600 | ||
125 | 105 | 217 | 442 | 772 | 1,100 | 2,340 | 4,210 | 6,640 | 13,800 | ||
150 | 95 | 197 | 400 | 700 | 992 | 2,120 | 3,820 | 6,020 | 12,500 | ||
175 | 88 | 181 | 368 | 644 | 913 | 1,950 | 3,510 | 5,540 | 11,500 | ||
200 | 82 | 168 | 343 | 599 | 849 | 1,810 | 3,270 | 5,150 | 10,700 | ||
250 | 72 | 149 | 304 | 531 | 753 | 1,610 | 2,900 | 4,560 | 9,510 | ||
300 | 66 | 135 | 275 | 481 | 682 | 1,460 | 2,620 | 4,140 | 8,610 | ||
350 | 60 | 124 | 253 | 442 | 628 | 1,340 | 2,410 | 3,800 | 7,920 | ||
400 | 56 | 116 | 235 | 411 | 584 | 1,250 | 2,250 | 3,540 | 7,370 | ||
450 | 53 | 109 | 221 | 386 | 548 | 1,170 | 2,110 | 3,320 | 6,920 | ||
500 | 50 | 103 | 209 | 365 | 517 | 1,110 | 1,990 | 3,140 | 6,530 | ||
550 | 47 | 97 | 198 | 346 | 491 | 1,050 | 1,890 | 2,980 | 6,210 | ||
600 | 45 | 93 | 189 | 330 | 469 | 1,000 | 1,800 | 2,840 | 5,920 | ||
650 | 43 | 89 | 181 | 316 | 449 | 959 | 1,730 | 2,720 | 5,670 | ||
700 | 41 | 86 | 174 | 304 | 431 | 921 | 1,660 | 2,620 | 5,450 | ||
750 | 40 | 82 | 168 | 293 | 415 | 888 | 1,600 | 2,520 | 5,250 | ||
800 | 39 | 80 | 162 | 283 | 401 | 857 | 1,540 | 2,430 | 5,070 | ||
850 | 37 | 77 | 157 | 274 | 388 | 829 | 1,490 | 2,350 | 4,900 | ||
900 | 36 | 75 | 152 | 265 | 376 | 804 | 1,450 | 2,280 | 4,750 | ||
950 | 35 | 72 | 147 | 258 | 366 | 781 | 1,410 | 2,220 | 4,620 | ||
1,000 | 34 | 71 | 143 | 251 | 356 | 760 | 1,370 | 2,160 | 4,490 | ||
1,100 | 32 | 67 | 136 | 238 | 338 | 721 | 1,300 | 2,050 | 4,270 | ||
1,200 | 31 | 64 | 130 | 227 | 322 | 688 | 1,240 | 1,950 | 4,070 | ||
1,300 | 30 | 61 | 124 | 217 | 309 | 659 | 1,190 | 1,870 | 3,900 | ||
1,400 | 28 | 59 | 120 | 209 | 296 | 633 | 1,140 | 1,800 | 3,740 | ||
1,500 | 27 | 57 | 115 | 201 | 286 | 610 | 1,100 | 1,730 | 3,610 | ||
1,600 | 26 | 55 | 111 | 194 | 276 | 589 | 1,060 | 1,670 | 3,480 | ||
1,700 | 26 | 53 | 108 | 188 | 267 | 570 | 1,030 | 1,620 | 3,370 | ||
1,800 | 25 | 51 | 104 | 182 | 259 | 553 | 1,000 | 1,570 | 3,270 | ||
1,900 | 24 | 50 | 101 | 177 | 251 | 537 | 966 | 1,520 | 3,170 | ||
2,000 | 23 | 48 | 99 | 172 | 244 | 522 | 940 | 1,480 | 3,090 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Undiluted Propane |
Inlet Pressure | 11.0 in. w.c. |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 1.50 |
INTENDED USE: SIZING BETWEEN SINGLE OR SECOND STAGE (Low Pressure) REGULATOR AND THE APPLIANCE SHUTOFF VALVE | |||||||||||||||
TUBE SIZE (EHD) | |||||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 39 | 46 | 48 | 60 | 62 | |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||||||||
5 | 72 | 99 | 181 | 211 | 355 | 426 | 744 | 863 | 1,420 | 1,638 | 2,830 | 3,270 | 5,780 | 6,550 | |
10 | 50 | 69 | 129 | 150 | 254 | 303 | 521 | 605 | 971 | 1,179 | 1,990 | 2,320 | 4,110 | 4,640 | |
15 | 39 | 55 | 104 | 121 | 208 | 248 | 422 | 490 | 775 | 972 | 1,620 | 1,900 | 3,370 | 3,790 | |
20 | 34 | 49 | 91 | 106 | 183 | 216 | 365 | 425 | 661 | 847 | 1,400 | 1,650 | 2,930 | 3,290 | |
25 | 30 | 42 | 82 | 94 | 164 | 192 | 325 | 379 | 583 | 762 | 1,250 | 1,480 | 2,630 | 2,940 | |
30 | 28 | 39 | 74 | 87 | 151 | 177 | 297 | 344 | 528 | 698 | 1,140 | 1,350 | 2,400 | 2,680 | |
40 | 23 | 33 | 64 | 74 | 131 | 153 | 256 | 297 | 449 | 610 | 988 | 1,170 | 2,090 | 2,330 | |
50 | 20 | 30 | 58 | 66 | 118 | 137 | 227 | 265 | 397 | 548 | 884 | 1,050 | 1,870 | 2,080 | |
60 | 19 | 26 | 53 | 60 | 107 | 126 | 207 | 241 | 359 | 502 | 805 | 961 | 1,710 | 1,900 | |
70 | 17 | 25 | 49 | 57 | 99 | 117 | 191 | 222 | 330 | 466 | 745 | 890 | 1,590 | 1,760 | |
80 | 15 | 23 | 45 | 52 | 94 | 109 | 178 | 208 | 307 | 438 | 696 | 833 | 1,490 | 1,650 | |
90 | 15 | 22 | 44 | 50 | 90 | 102 | 169 | 197 | 286 | 414 | 656 | 787 | 1,400 | 1,550 | |
100 | 14 | 20 | 41 | 47 | 85 | 98 | 159 | 186 | 270 | 393 | 621 | 746 | 1,330 | 1,480 | |
150 | 11 | 15 | 31 | 36 | 66 | 75 | 123 | 143 | 217 | 324 | 506 | 611 | 1,090 | 1,210 | |
200 | 9 | 14 | 28 | 33 | 60 | 69 | 112 | 129 | 183 | 283 | 438 | 531 | 948 | 1,050 | |
250 | 8 | 12 | 25 | 30 | 53 | 61 | 99 | 117 | 163 | 254 | 390 | 476 | 850 | 934 | |
300 | 8 | 11 | 23 | 26 | 50 | 57 | 90 | 107 | 147 | 234 | 357 | 434 | 777 | 854 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Undiluted Propane |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 1.50 |
INTENDED USE: SIZING BETWEEN 2 PSI SERVICE AND THE LINE PRESSURE REGULATOR | ||||||||||||||
TUBE SIZE (EHD) | ||||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 39 | 46 | 48 | 60 | 62 |
Length (ft) | Capacity in Thousands of Btu per Hour | |||||||||||||
10 | 426 | 558 | 927 | 1,110 | 1,740 | 2,170 | 4,100 | 4,720 | 7,130 | 7,958 | 15,200 | 16,800 | 29,400 | 34,200 |
25 | 262 | 347 | 591 | 701 | 1,120 | 1,380 | 2,560 | 2,950 | 4,560 | 5,147 | 9,550 | 10,700 | 18,800 | 21,700 |
30 | 238 | 316 | 540 | 640 | 1,030 | 1,270 | 2,330 | 2,690 | 4,180 | 4,719 | 8,710 | 9,790 | 17,200 | 19,800 |
40 | 203 | 271 | 469 | 554 | 896 | 1,100 | 2,010 | 2,320 | 3,630 | 4,116 | 7,530 | 8,500 | 14,900 | 17,200 |
50 | 181 | 243 | 420 | 496 | 806 | 986 | 1,790 | 2,070 | 3,260 | 3,702 | 6,730 | 7,610 | 13,400 | 15,400 |
75 | 147 | 196 | 344 | 406 | 663 | 809 | 1,460 | 1,690 | 2,680 | 3,053 | 5,480 | 6,230 | 11,000 | 12,600 |
80 | 140 | 189 | 333 | 393 | 643 | 768 | 1,410 | 1,630 | 2,590 | 2,961 | 5,300 | 6,040 | 10,600 | 12,200 |
100 | 124 | 169 | 298 | 350 | 578 | 703 | 1,260 | 1,450 | 2,330 | 2,662 | 4,740 | 5,410 | 9,530 | 10,900 |
150 | 101 | 137 | 245 | 287 | 477 | 575 | 1,020 | 1,180 | 1,910 | 2,195 | 3,860 | 4,430 | 7,810 | 8,890 |
200 | 86 | 118 | 213 | 248 | 415 | 501 | 880 | 1,020 | 1,660 | 1,915 | 3,340 | 3,840 | 6,780 | 7,710 |
250 | 77 | 105 | 191 | 222 | 373 | 448 | 785 | 910 | 1,490 | 1,722 | 2,980 | 3,440 | 6,080 | 6,900 |
300 | 69 | 96 | 173 | 203 | 343 | 411 | 716 | 829 | 1,360 | 1,578 | 2,720 | 3,150 | 5,560 | 6,300 |
400 | 60 | 82 | 151 | 175 | 298 | 355 | 616 | 716 | 1,160 | 1,376 | 2,350 | 2,730 | 4,830 | 5,460 |
500 | 53 | 72 | 135 | 158 | 268 | 319 | 550 | 638 | 1,030 | 1,237 | 2,100 | 2,450 | 4,330 | 4,880 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.293 1 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table does not include effect of pressure drop across the line regulator. Where regulator loss exceeds 1/2 psi (based on 13 in. w.c. outlet pressure), DO NOT USE THIS TABLE. Consult with the regulator manufacturer for pressure drops and capacity factors. Pressure drops across a regulator may vary with flow rate.
- CAUTION: Capacities shown in the table might exceed maximum capacity for a selected regulator. Consult with the regulator or tubing manufacturer for guidance.
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
CORRUGATED STAINLESS STEEL TUBING (CSST)
Gas | Undiluted Propane |
Inlet Pressure | 5.0 psi |
Pressure Drop | 3.5 psi |
Specific Gravity | 1.50 |
TUBE SIZE (EHD) | |||||||||||||||
Flow Designation | 13 | 15 | 18 | 19 | 23 | 25 | 30 | 31 | 37 | 39 | 46 | 48 | 60 | 62 | |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||||||||
10 | 826 | 1,070 | 1,710 | 2,060 | 3,150 | 4,000 | 7,830 | 8,950 | 13,100 | 14,441 | 28,600 | 31,200 | 54,400 | 63,800 | |
25 | 509 | 664 | 1,090 | 1,310 | 2,040 | 2,550 | 4,860 | 5,600 | 8,400 | 9,339 | 18,000 | 19,900 | 34,700 | 40,400 | |
30 | 461 | 603 | 999 | 1,190 | 1,870 | 2,340 | 4,430 | 5,100 | 7,680 | 8,564 | 16,400 | 18,200 | 31,700 | 36,900 | |
40 | 396 | 520 | 867 | 1,030 | 1,630 | 2,030 | 3,820 | 4,400 | 6,680 | 7,469 | 14,200 | 15,800 | 27,600 | 32,000 | |
50 | 352 | 463 | 777 | 926 | 1,460 | 1,820 | 3,410 | 3,930 | 5,990 | 6,717 | 12,700 | 14,100 | 24,700 | 28,600 | |
75 | 284 | 376 | 637 | 757 | 1,210 | 1,490 | 2,770 | 3,190 | 4,920 | 5,539 | 10,300 | 11,600 | 20,300 | 23,400 | |
80 | 275 | 363 | 618 | 731 | 1,170 | 1,450 | 2,680 | 3,090 | 4,770 | 5,372 | 9,990 | 11,200 | 19,600 | 22,700 | |
100 | 243 | 324 | 553 | 656 | 1,050 | 1,300 | 2,390 | 2,760 | 4,280 | 4,830 | 8,930 | 10,000 | 17,600 | 20,300 | |
150 | 196 | 262 | 453 | 535 | 866 | 1,060 | 1,940 | 2,240 | 3,510 | 3,983 | 7,270 | 8,210 | 14,400 | 16,600 | |
200 | 169 | 226 | 393 | 464 | 755 | 923 | 1,680 | 1,930 | 3,050 | 3,474 | 6,290 | 7,130 | 12,500 | 14,400 | |
250 | 150 | 202 | 352 | 415 | 679 | 828 | 1,490 | 1,730 | 2,740 | 3,124 | 5,620 | 6,390 | 11,200 | 12,900 | |
300 | 136 | 183 | 322 | 379 | 622 | 757 | 1,360 | 1,570 | 2,510 | 2,865 | 5,120 | 5,840 | 10,300 | 11,700 | |
400 | 117 | 158 | 279 | 328 | 542 | 657 | 1,170 | 1,360 | 2,180 | 2,498 | 4,430 | 5,070 | 8,920 | 10,200 | |
500 | 104 | 140 | 251 | 294 | 488 | 589 | 1,050 | 1,210 | 1,950 | 2,247 | 3,960 | 4,540 | 8,000 | 9,110 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Notes:
- Table does not include effect of pressure drop across line regulator. Where regulator loss exceeds 1 psi, DO NOT USE THIS TABLE. Consult with the regulator manufacturer for pressure drops and capacity factors. Pressure drop across regulator may vary with the flow rate.
- CAUTION: Capacities shown in the table might exceed maximum capacity of selected regulator. Consult with the tubing manufacturer for guidance.
- Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following equation: L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
- EHD—Equivalent Hydraulic Diameter, which is a measure of the relative hydraulic efficiency between different tubing sizes. The greater the value of EHD, the greater the gas capacity of the tubing.
- All table entries have been rounded to three significant digits.
POLYETHYLENE PLASTIC PIPE
Gas | Undiluted Propane |
Inlet Pressure | 11.0 in. w.c. |
Pressure Drop | 0.5 in. w.c. |
Specific Gravity | 1.50 |
INTENDED USE | PE pipe sizing between integral two-stage regulator at tank or second stage (low-pressure regulator) and building. | ||||||||
PIPE SIZE (inch) | |||||||||
Nominal OD | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 3 | 4 | |
Designation | SDR 9 | SDR 11 | SDR 11 | SDR 10 | SDR 11 | SDR 11 | SDR 11 | SDR 11 | |
Actual ID | 0.660 | 0.860 | 1.077 | 1.328 | 1.554 | 1.943 | 2.864 | 3.682 | |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||
10 | 340 | 680 | 1,230 | 2,130 | 3,210 | 5,770 | 16,000 | 30,900 | |
20 | 233 | 468 | 844 | 1,460 | 2,210 | 3,970 | 11,000 | 21,200 | |
30 | 187 | 375 | 677 | 1,170 | 1,770 | 3,180 | 8,810 | 17,000 | |
40 | 160 | 321 | 580 | 1,000 | 1,520 | 2,730 | 7,540 | 14,600 | |
50 | 142 | 285 | 514 | 890 | 1,340 | 2,420 | 6,680 | 12,900 | |
60 | 129 | 258 | 466 | 807 | 1,220 | 2,190 | 6,050 | 11,700 | |
70 | 119 | 237 | 428 | 742 | 1,120 | 2,010 | 5,570 | 10,800 | |
80 | 110 | 221 | 398 | 690 | 1,040 | 1,870 | 5,180 | 10,000 | |
90 | 103 | 207 | 374 | 648 | 978 | 1,760 | 4,860 | 9,400 | |
100 | 98 | 196 | 353 | 612 | 924 | 1,660 | 4,590 | 8,900 | |
125 | 87 | 173 | 313 | 542 | 819 | 1,470 | 4,070 | 7,900 | |
150 | 78 | 157 | 284 | 491 | 742 | 1,330 | 3,690 | 7,130 | |
175 | 72 | 145 | 261 | 452 | 683 | 1,230 | 3,390 | 6,560 | |
200 | 67 | 135 | 243 | 420 | 635 | 1,140 | 3,160 | 6,100 | |
250 | 60 | 119 | 215 | 373 | 563 | 1,010 | 2,800 | 5,410 | |
300 | 54 | 108 | 195 | 338 | 510 | 916 | 2,530 | 4,900 | |
350 | 50 | 99 | 179 | 311 | 469 | 843 | 2,330 | 4,510 | |
400 | 46 | 92 | 167 | 289 | 436 | 784 | 2,170 | 4,190 | |
450 | 43 | 87 | 157 | 271 | 409 | 736 | 2,040 | 3,930 | |
500 | 41 | 82 | 148 | 256 | 387 | 695 | 1,920 | 3,720 |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa, 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m3/h, 1 degree = 0.01745 rad.
Note: All table entries have been rounded to three significant digits.
POLYETHYLENE PLASTIC PIPE
Gas | Undiluted Propane |
Inlet Pressure | 2.0 psi |
Pressure Drop | 1.0 psi |
Specific Gravity | 1.50 |
INTENDED USE | PE pipe sizing between 2 psig service regulator and line pressure regulator. | ||||||||
PIPE SIZE (inch) | |||||||||
Nominal OD | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 3 | 4 | |
Designation | SDR 9 | SDR 11 | SDR 11 | SDR 10 | SDR 11 | SDR 11 | SDR 11 | SDR 11 | |
Actual ID | 0.660 | 0.860 | 1.077 | 1.328 | 1.554 | 1.943 | 2.864 | 3.682 | |
Length (ft) | Capacity in Thousands of Btu per Hour | ||||||||
10 | 3,130 | 6,260 | 11,300 | 19,600 | 29,500 | 53,100 | 147,000 | 284,000 | |
20 | 2,150 | 4,300 | 7,760 | 13,400 | 20,300 | 36,500 | 101,000 | 1 |