Pump Data Sheet - Gorman-Rupp Company: National Energy Equipment Name: Date: 5/8/2009 Pump: Size: RS3A-B-1 Type: RS/RD-Series Speed: 1750 rpm Synch speed: 1800 rpm Dia: 12.25 in Curve: RS3A-B-1 Impeller: 38623-530 Specific Speeds: Ns: --- Nss: --- Dimensions: Suction: 4 in Discharge: 3 in Pump Limits: Temperature: --- Power: --- Pressure: --- Eye area: --- Sphere size: --- Search Criteria: Flow: --- Head: --- Fluid: Water Temperature: 60 °F SG: 1 Vapor pressure: 0.2563 psi a Viscosity: 1.105 cP Atm pressure: 14.7 psi a NPSHa: --- Motor: Size: 25 hp Speed: 1800 Frame: 284T Standard: NEMA Enclosure: TEFC Sizing criteria: Max Power on Design Curve Selected from catalog: Gorman-Rupp Petroleum Pumps.60 Vers: 1.00 ---- Data Point ---- Flow: 451 US gpm Head: 108 ft Eff: 58.3% Power: 21.1 hp NPSHr: 7.5 ft ---- Design Curve ---- Shutoff head: 138 ft Shutoff dP: 59.7 psi Min flow: --- BEP: 58.3%@ 451 US gpm NOL power: 24.9 hp @ 721 US gpm -- Max Curve -- Max power: 24.9 hp @ 721 US gpm US gpm NPSHr - ft 700 600 500 400 300 200 0 100 10 20 30 Head - ft 700 0 600 20 500 40 400 60 80 300 100 200 120 100 140 58.3 12.25 in 8.75 in 7.5 hp 10 hp 15 hp 20 hp 25 hp 40 40 50 50 50 50 58 58 58 58 Performance Evaluation: Flow Speed Head Efficiency Power NPSHr US gpm rpm ft % hp ft 692 1750 60 42.7 24.5 20 577 1750 87.1 55.6 22.7 11.6 462 1750 106 58.3 21.2 7.76 346 1750 122 57.2 18.5 6.27 231 1750 133 48.5 15.9 5.68
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