Gorman-Rupp GORMA-11431 Pump Performance Curve

The Gorman-Rupp GORMA-11431 pump curve page provides engineering performance data for wastewater systems, slurry transfer, industrial pumping, stormwater bypass, and municipal lift station applications.

Engineering Specifications

Manufacturer	Gorman-Rupp
Model Number	GORMA-11431
Pump Type	Municipal Wastewater Pump
Flow Range	368-756 GPM
Total Dynamic Head	40-370 FT TDH
Peak Efficiency	67%
Motor Speed	1750 RPM
Voltage Options	208-230V
Motor Enclosure	TEFC
Discharge Size	10" Discharge
Solids Handling Capacity	3" Solids
Impeller Style	Vortex Impeller
NPSHr	14.8 FT

Pump Curve Image

Download Engineering PDF

Download Gorman-Rupp GORMA-11431 Pump Curve PDF

Typical Applications

• Municipal wastewater lift stations
• Industrial sump pump systems
• Mining slurry transfer
• Stormwater bypass systems
• Guide rail sewage pump systems
• Corrosive fluid handling
• Construction dewatering applications

Engineering FAQ

What does this performance curve show?

The pump curve illustrates the hydraulic relationship between flow rate and total dynamic head for the Gorman-Rupp GORMA-11431.

Can this model handle solids?

Yes. The pump supports up to 3" solids depending on impeller design and operating conditions.

What motor enclosure is available?

This model is available with a tefc motor enclosure configuration.

Can North Coast Process Equipment assist with replacement pump selection?

Yes. NCPE can provide crossover recommendations and equivalent replacement pumps based on hydraulic duty point and application requirements.