FRICTION HEAD CALCULATION

1. Static Head
Feet
2. Friction Head:
Calculate Friction Head
a. Discharge Pipe Length
Feet
b. Friction Factors of Fitting and Valves *See Table A
Fitting
Size
Equivalent
Length
Qty
Total
90's
45's
Tees
Check Valve
Gate Valve
Union
Total Equivalent Length: (Feet)
Pipe Length
Ft. + Equivalent Length
Ft./100=
100-foot Increments
c. Friction Head per 100'
Pipe at GPM (from Table B)
Feet
Friction Head [Feet]
3. Static Head
ft. + Friction Head
ft. = Total Dynamic Head
Enter in TDH box on Design Guide