Module: Pump Shaft & Drive PowerVersion: v1.0.0Method: Shaft Power

Pump Power Calculator

Shaft & drive power, mechanical-seal PV limit, specific speed and suction specific speed for centrifugal pumps.

1

Input Parameters

2

Results

Ready to calculate

Enter values and press Calculate to see results.

4

Reference Codes & Standards

API 610 12th Ed. / ISO 13709:2009Governing Code

Centrifugal Pumps for Petroleum, Petrochemical & Natural Gas

Scope:Rated-power margin factors for driver sizing.
ANSI/HI 9.6.1-2024 & 14.6Governing Code

Rotodynamic Pumps — NPSH margin & performance acceptance

Scope:Suction specific speed and NPSH terminology.
FSA Seal PV GuidanceGoverning Code

Fluid Sealing Association — Pressure-Velocity limits

Scope:PV product used to screen mechanical-seal face duty.
Literature & Further Reading
  • [1]Torishima Pump Handbook (1990), Torishima Pump Mfg. Co., Osaka.
  • [2]Alfa Laval Pump Handbook — hydraulic and shaft power fundamentals.
  • [3]Hydraulic Institute Standards, 14th Edition — suction specific speed.
  • [4]Gould Pumps TECH — specific speed and impeller classification.
  • [5]Dura Seal Manual, 9th Edition — mechanical-seal PV limits.