Flow Calculations

Engineering Data

Liquid Flow Chart

Differential pressure when GPM is known

D=Inside pipe diameter
G60=Liquid specific gravity @ 60 F
Gf=Specific Gravity @ flow conditions
Sch. 40 Sch. 80
Enter nominal line size in inches
GPM=Flow in U.S. Gallons per minute

Your answer in inches of W.C. D/P.

Gallons Per Minute when Differential Pressure is known

D=Inside pipe diameter
G60=Liquid specific gravity @ 60 F
Gf=Specific Gravity @ flow conditions
Sch. 40 Sch. 80
Enter nominal line size in inches
DP=Differential pressure in inches of water column

Your answer in U.S. GPM