Grundfos GRUND-11266 Pump Performance Curve

The Grundfos GRUND-11266 pump curve page provides engineering performance data for wastewater systems, slurry transfer, industrial pumping, stormwater bypass, and municipal lift station applications.

Engineering Specifications

Manufacturer	Grundfos
Model Number	GRUND-11266
Pump Type	Mining Slurry Pump
Flow Range	226-431 GPM
Total Dynamic Head	81-327 FT TDH
Peak Efficiency	79%
Motor Speed	3450 RPM
Voltage Options	575V
Motor Enclosure	ODP
Discharge Size	2" Discharge
Solids Handling Capacity	3" Solids
Impeller Style	Channel Impeller
NPSHr	10.9 FT

Pump Curve Image

Download Engineering PDF

Download Grundfos GRUND-11266 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 Grundfos GRUND-11266.

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 odp 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.