UpCodes logo
Go To Full Code Chapter
The standard abbreviations in Table 1.6.2 shall be used on the hydraulic calculation form discussed in Chapter 27.
Table 1.6.2 Hydraulic Symbols
Symbol or Abbreviation Item
p Pressure in psi
gpm U.S. gallons per minute
q Flow increment in gpm to be added at a specific location
Q Summation of flow in gpm at a specific location
Pt Total pressure in psi at a point in a pipe
Pf Pressure loss due to friction between points indicated in location column
Pe Pressure due to elevation difference between indicated points. This can be a plus value or a minus value. If minus, the (—) shall be used; if plus, no sign is needed.
Pv Velocity pressure in psi at a point in a pipe
Pn Normal pressure in psi at a point in a pipe
E 90-degree ell
EE 45-degree ell
Lt.E Long-turn elbow
Cr Cross
T Tee-flow turned 90 degrees
GV Gate valve
BV Butterfly (wafer) check valve
Del V Deluge valve
ALV Alarm valve
DPV Dry pipe valve
CV Swing check valve
WCV Butterfly (wafer) check valve
St Strainer
psi Pounds per square inch
v Velocity of water in pipe in feet per second
K K-factor
C-factor Friction loss coefficient

Related Code Sections

1.6.2 Administration, Hydraulic Symbols
The standard abbreviations in Table 1.6.2 shall be used on the hydraulic calculation form discussed in Chapter 27. Table 1.6.2 Hydraulic Symbols ...
1.6.2 Administration, Hydraulic Symbols
The standard abbreviations in Table 1.6.2 shall be used on the hydraulic calculation form discussed in Chapter 23. Table 1.6.2 Hydraulic Symbols ...
1.6.2 Administration, Hydraulic Symbols
The standard abbreviations in Table 1.6.2 shall be used on the hydraulic calculation form discussed in Chapter 23. Table 1.6.2 Hydraulic Symbols ...
3.18.6 Hydraulic Elevators, Marking of Hydraulic Jack
The hydraulic jack shall be permanently and legibly marked. The marking shall be visible after installation. The letters and symbols shall be stamped ...
3.18.6 Hydraulic Elevators, Marking of the Hydraulic Jack
The hydraulic jack shall be permanently and legibly marked. The marking shall be visible after installation. The letters and symbols shall be stamped ...