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Section G2416 (405) Piping Bends and Changes in Direction

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G2416.1 (405.1) General
Changes in direction of pipe shall be permitted to be made by the use of fittings, factory bends or field bends.
G2416.2 (405.2) Metallic Pipe
Metallic pipe bends shall comply with the following:
  1. Bends shall be made only with bending tools and procedures intended for that purpose.
  2. Bends shall be smooth and free from buckling, cracks or other evidence of mechanical damage.
  3. The longitudinal weld of the pipe shall be near the neutral axis of the bend.
  4. Pipe shall not be bent through an arc of more than 90 degrees (1.6 rad).
  5. The inside radius of a bend shall be not less than six times the outside diameter of the pipe.
G2416.3 (405.3) Plastic Pipe
Plastic pipe bends shall comply with the following:
  1. The pipe shall not be damaged and the internal diameter of the pipe shall not be effectively reduced.
  2. Joints shall not be located in pipe bends.
  3. The radius of the inner curve of such bends shall be not less than 25 times the inside diameter of the pipe.
  4. Where the piping manufacturer specifies the use of special bending tools or procedures, such tools or procedures shall be used.

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Section G2416 Fuel Gas, (405) Piping Bends and Changes in Direction
Changes in direction of pipe shall be permitted to be made by the use of fittings, factory bends or field bends ...
Section G2416 Fuel Gas, (405) Piping Bends and Changes in Direction
Changes in direction of pipe shall be permitted to be made by the use of fittings, factory bends or field bends ...
G2416.1 Fuel Gas, (405.1) General
Changes in direction of pipe shall be permitted to be made by the use of fittings, factory bends or field bends ...
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