Job/Project: Representative:
ESP-Systemwize: WIZE-47B111 Created On: 09/27/2020 Phone:
Location/Tag: Email: Revision:
Engineer: Submitted By: Date:
Contractor: Approved By: Date:
In-Line Fire Pump Selection Criteria NFPA Limits
Pump Model: 2.5x2.5x9.5F Rated Flow 250 US gpm 140% Head of Rated Head 161 psi
Nom. Speed: 3550 rpm Rated Head 115 psi 65% Head at 150% Flow 74.8 psi
Market: Listed Fire Pump
Approval/Listing: UL Imp. Dia 8.316 in Flow at 150% 375 US gpm
Power Required at Duty 28.8 hp Head at 150% 90.1 psi
Rated Efficiency 58.1 % Power Req at 150% 35 hp
Fluid Water Efficiency at 150% 56.2 %
Temperature 85 ºF Max BHP 40 hp
Sp.Gravity 1.000 Closed Valve Head 124 psi
140% Head of Rated Head 161PSI
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.
Performance Curve Data
Flow (US gpm) Head (psi) Efficiency (%) Power Required(hp) NPSHr (ft)
0 124 0 0 8
62 124 27.7 16.4 8
125 123 43.2 20.7 8.78
187 120 52.8 24.7 10
250 115 58.1 28.8 11.7
375 90.1 56.2 35 17.5
399 82.8 52.8 36.5 18.7
