Grundfos

NB 250-500/445

Code: 98305170 EAN: 5711492778579
Type NB
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Technical specifications

Pump typeNB
Nominal flow (m³/h)852.5 m³/h
Nominal head (m)60.08 m
Minimum efficiency index (MEI)0.48
Power P2 (kW)200 kW
Phases3
Phases3
Voltage (V)380-420D/660-725Y V
Frequency (Hz)50 Hz
Enclosure classIP55
Frequency converterNone
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)0 °C
Max. ambient temp. (°C)55 °C
Max. operating pressure10 bar
Connection pressure ratingPN 10
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBAQE
Gross weight2060 kg
Net weight1970 kg
Motor number92910084
EAN code5711492778579

Performance curve

Performance curve NB 250-500/445

Hover over the curve to read flow and head at any point.

Documents and datasheets

Equivalent alternatives

Pumps in the same hydraulic class as 98305170 (equivalent flow and head), available in the catalogue.

Grundfos 98305170