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32 Cards in this Set
- Front
- Back
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Coefficient of 1 1/2" hose
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24
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Coefficient of 1 3/4" hose
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15.5
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Coefficient of 2" hose
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8
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Coefficient of 2 1/2" hose
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2
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Coefficient of 3" hose with 2 1/2" couplings
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1 (0.8)
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Coefficient of 4" hose
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0.2
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Coefficient of 3" hose with 3" couplings
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0.67
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Coefficient of 5" hose
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0.08
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Coefficient of 6" hose
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0.05
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Stand Pipe Coefficient 4"
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0.374
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Stand Pipe Coefficient 5"
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0.126
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Stand Pipe Coefficient 6"
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0.052
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Siamesed Lines Coefficient: Two 2 1/2" lines
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0.5
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Siamesed Lines Coefficient: Three 2 1/2" lines
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0.22
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Siamesed Lines Coefficient: Two 3" lines with 2 1/2" Couplings
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0.2
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Siamesed Lines Coefficient: Two 2 1/2" lines and one 3" with 2 1/2" couplings
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0.16
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Coefficient of 3 1/2" hose
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0.34
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Nozzle Pressure (NP) of hand held solid
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50 psi
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Nozzle Pressure (NP) of master stream solid
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80 psi
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Nozzle Pressure (NP) of handheld combination (fog)
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100 psi
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Nozzle Pressure (NP) of low pressure combination
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50-75 psi
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Solid Master Stream Tip Size and Flow (80 NP): 1 3/8"
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502 GPM (500)
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Solid Master Stream Tip Size and Flow (80 NP): 1 1/2"
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598 GPM (600)
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Solid Master Stream Tip Size and Flow (80 NP): 1 3/4"
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814 GPM (800)
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Solid Master Stream Tip Size and Flow (80 NP): 2"
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1062 GPM (1000)
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Pump Discharge Pressure Formula
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PDP= NP + FL+ AL + or - EL
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Friction Loss Formula
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FL= C X Q2L/100
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Formula for calculating availible water remaining
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Static - Residual X 100/ Static = % drop
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Nozzle Reaction Formula (Solid)
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NR= (1.57) (d2) (NP)
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Nozzle Reaction Formula (Fog)
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NR= (0.0505) (Q) (Square root of NP)
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Formula for calculating GPM
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GPM= 29.7d2 X square root of nozzle pressure
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Discharge Velocity Formula
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V = (12.1) X square root of NP
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