Nozzle Reaction Force Calculator
Smooth bore: NR = 1.57 × d² × NP · Fog: NR = 0.0505 × Q × √NP
Nozzle type
Smooth bore
Fog / combination
Tip diameter (in)
7/8″ (0.875)
15/16″ (0.9375)
1″ (1.0)
1⅛″ (1.125)
1¼″ (1.25)
1⅜″ (1.375)
1½″ (1.5)
1¾″ (1.75)
2″ (2.0)
Flow rate (gpm)
Nozzle pressure (psi)
Nozzle reaction
—
lbf
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