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AC Fire Selector

The document provides specifications for an In-Line Fire Pump model 4x4x9.5F, including performance metrics such as rated flow of 500 US gpm and rated head of 80 psi. It details efficiency ratings, power requirements, and performance curve data under various flow conditions. Additionally, it emphasizes that the rated duty point is guaranteed within specific tolerances and advises consultation with the factory for other points.

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mech_sahil
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58 views1 page

AC Fire Selector

The document provides specifications for an In-Line Fire Pump model 4x4x9.5F, including performance metrics such as rated flow of 500 US gpm and rated head of 80 psi. It details efficiency ratings, power requirements, and performance curve data under various flow conditions. Additionally, it emphasizes that the rated duty point is guaranteed within specific tolerances and advises consultation with the factory for other points.

Uploaded by

mech_sahil
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Submit t al

Jo b/Pro je ct : Re pre se nt at ive :


ESP-Syst e mwize : WIZE-9BEC2B9C Cre at e d O n: 02/18/2025 Pho ne :
Lo cat io n/Tag: Email:
Engine e r: Submit t e d By: Dat e :
Co nt ract o r: Appro ve d By: Dat e :

In-Line Fire Pump Selection Criteria NFPA Limits


Pump Mo de l: 4x4x9.5F Rat e d Flo w 500 US gpm 140% He ad o f Rat e d He ad 112 psi
No m. Spe e d: 3550 rpm Rat e d He ad 80 psi 65% He ad at 150% Flo w 52 psi
Marke t : List e d Fire Pump Imp. Dia 7.295 in Flo w at 150% 750 US gpm
Appro val/List ing: FM/UL Po we r Re quire d at Dut y 31.7 hp He ad at 150% 58.1 psi
Rat e d Efficie ncy 73.5 % Po we r Re q at 150% 36.4 hp
Fluid Wat e r Efficie ncy at 150% 69.6 %
T e mpe rat ure 85 ºF Max BHP 38 hp
Sp. Gravit y 1.000 Clo se d Valve He ad 92.6 psi

140% He ad o f Rat e d He ad 112PSI

Typical Performance Curve is shown. Fire Pumps are tested to ANSI/HI 14.6 acceptance grade 1U.
Rated Duty Point is guaranteed within the following tolerances: Flow 0% to + 10%, Head 0% to + 6%.
NO OTHER POINTS ARE GUARANTEED. PLEASE CONSULT FACTORY IF NEEDED.

Pe rfo rmance Curve Dat a


Flo w (US gpm) He ad (psi) Efficie ncy (%) Po we r Re quire d (hp) NPSHr (ft )
0 92.6 0 0 12
125 90.4 38.3 20.1 12
250 88.2 53.7 23.9 12
375 85.4 67.7 27.6 12
500 80 73.5 31.7 12.2
750 58.1 69.6 36.4 19.8
1046 7.88 13.9 34.5 33.5

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