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33 Cards in this Set
- Front
- Back
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Convert Head In feet to head pressure |
Divide number of feet by 2.304 |
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Discharge rate |
29.7 x d’2 x ✔️NP |
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Nozzle reaction for solid streams |
NR= 1.57 x d’2 x NP |
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Nozzle reaction for Fog Streams |
NR= 0.0505 x Q x ✔️NP |
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Friction Loss |
FL= CQ’2L |
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Elevation Pressure loss |
EH= 0.5H |
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Pump Discharge Pressure |
PDP = NP + TPL |
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Net Pump Discharge Pressure |
NPDP = PDP - intake reading |
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3/4” booster |
1100 |
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1” booster |
150 |
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1 1/4” booster |
80 |
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1 1/2” |
24 |
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1 3/4” with 1 1/2” coupling |
15.5 |
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2” |
8 |
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2 1/2” |
2 |
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3” with 2 1/2” couplings |
0.8 |
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3” with 3” coupling |
0.677 |
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3 1/2” |
0.34 |
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4” |
0.2 |
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4 1/2” |
0.1 |
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5” |
0.08 |
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6” |
0.05 |
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Standpipe 4” |
0.374 |
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Standpipe 5” |
0.126 |
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Standpipe 6” |
0.052 |
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Condensed Q formula |
FL = Q’2 |
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Percentage Method |
(Static-residual)(100) / static |
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Determining maximum lift |
L= 1.13Hg |
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Pressure Correction |
PC = lift + total intake hose friction loss / 2.3 |
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Net pump discharge pressure at draft |
NPDP = PDP + PC |
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Pool capacity |
C = 7.5 x L x W x D |
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Relay pumping |
P = R / D + 1 |
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Water shuttle flow rate |
Flow = 0.9 x TS / Trip Time |
