Grundfos GRUND-12955 Pump Performance Curve

The Grundfos GRUND-12955 pump curve page provides industrial hydraulic performance data for wastewater transfer, slurry pumping, dewatering operations, bypass pumping, and municipal lift station applications.

Engineering Specifications

Manufacturer	Grundfos
Model Number	GRUND-12955
Pump Type	Municipal Wastewater Pump
Flow Range	169-1727 GPM
Total Dynamic Head	116-251 FT TDH
Peak Efficiency	96%
Motor Speed	1750 RPM
Voltage Options	230V
Motor Enclosure	TEFC
Discharge Size	8" Discharge
Solids Handling Capacity	2" Solids
Impeller Style	Vortex Impeller
Bearing Frame Material	Cast Iron
NPSHr	6.3 FT

Pump Curve Image

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Common Industrial Applications

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

Engineering FAQ

What does this pump curve illustrate?

The performance curve displays the hydraulic relationship between flow rate and total dynamic head for the Grundfos GRUND-12955.

Can this model handle solids?

Yes. The hydraulic design supports up to 2" solids depending on the impeller and operating conditions.

What impeller style is used?

This model uses a vortex impeller configuration for industrial and wastewater applications.

Can North Coast Process Equipment provide replacement recommendations?

Yes. NCPE can assist with crossover pump identification and equivalent replacement recommendations based on system requirements.