Pentair PENTA-11258 Pump Performance Curve

The Pentair PENTA-11258 pump curve page provides engineering performance data for wastewater systems, slurry transfer, industrial pumping, stormwater bypass, and municipal lift station applications.

Engineering Specifications

Manufacturer	Pentair
Model Number	PENTA-11258
Pump Type	Industrial Dewatering Pump
Flow Range	391-2960 GPM
Total Dynamic Head	55-167 FT TDH
Peak Efficiency	79%
Motor Speed	3450 RPM
Voltage Options	230V
Motor Enclosure	TEFC
Discharge Size	6" Discharge
Solids Handling Capacity	2" Solids
Impeller Style	Closed Impeller
NPSHr	8.5 FT

Pump Curve Image

Download Engineering PDF

Download Pentair PENTA-11258 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 Pentair PENTA-11258.

Can this model handle solids?

Yes. The pump supports up to 2" 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.