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Grundfos NB 40-250/260

Photos - Surface Pump Grundfos NB 40-250/260
Outdated Product
Type: surface pump; Suitable for: clean water; Maximum performance (L/h): 69000; Maximum head (m): 96; Motor power (W): 7700; Protection class (IP): 55; Country of origin: Denmark; Dimensions (mm): 460х320х405; Weight (kg): 64;
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Grundfos NB 40-250/260
Grundfos NB 40-250/260
performantcentrifugal
Main
Suitable forclean water
Specs
Maximum performance69000 L/h / maximum /
Maximum head96 m / maximum /
Max. pressure16 bar
Pump typecentrifugal
Maximum liquid temperature140 °С
Suction systemsingle-stage
Outlet size1 1/2"
Inlet hole size2 1/2"
Engine
Maximum power7700 W
Power sourceelectric
Mains voltage230 V
Engine typeasynchronous
General specs
Protection class (IP)55
Country of originDenmark
Pump housing materialcast iron
Dimensions460х320х405 mm
Weight64 kg
Added to E-Catalogjune 2017
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Grundfos 2025 - new arrivals, bestsellers, and the most relevant models Grundfos.
Additional features surface pump Grundfos NB 40-250/260:
  • Maximum ambient temperature — 60 °С (for EFF1 motors), 40 °С (for EFF2 motors)
  • Pumps are equipped with 2, 4 and 6-pole electric motors
  • Three impeller designs are available — cast iron, bronze, stainless steel
  • Available with stainless steel housing
  • Grundfos NB pumps are available in three versions:
  • — the pump is placed on supports
  • — the electric motor is placed on supports
  • — the pump and the electric motor are placed on supports
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