Cv Factor Vs Water Pressure Drop; Pressure - Carrier 42 SERIES Application Data

C V FACTOR vs WATER PRESSURE DROP
C V FACTOR:
The flow rate in gallons per minute (gpm) through a piping component when the pressure drop ( P) in pounds per
square inch (psi) across the component is 1.0 (psi).
Pressure drop (ft-H
GRAPH EXAMPLE:
P for 2.0 gpm through a component with a C
FORMULA EXAMPLE:
(gpm)
P (ft-H O) =
2
(C
TOTAL PRESSURE DROP is the Sum of the pressure drop of all piping and components in the water flow path.
O) = 2.31 x psi (pressure drop)
2
2 2
(2.0)
x 2.31 = x 2.31 = 9.24 ft-H
2 2
) (1.0)
v
of 1.0 is 4.0 psi x 2.31 = 9.24 ft-H
V
O
2
28
O
2