Grundfos

NK 250-400/385

Code: 98317133 EAN: 5711492934975
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)850.3 m³/h
Nominal head (m)44.67 m
Minimum efficiency index (MEI)0.46
Power P2 (kW)132 kW
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 weight2010 kg
Net weight1910 kg
Motor number92910052
EAN code5711492934975

Performance curve

Performance curve NK 250-400/385

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

Documents and datasheets

Variants & alternative codes

Equivalent alternatives

Pumps in the same hydraulic class as 98317133 (equivalent flow and head), available in the catalogue.

Grundfos 98317133