Grundfos

NK 250-400/405

Code: 98317134 EAN: 5711492934982
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)896.4 m³/h
Nominal head (m)50.58 m
Minimum efficiency index (MEI)0.46
Power P2 (kW)160 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 weight2270 kg
Net weight2170 kg
Motor number92910053
EAN code5711492934982

Performance curve

Performance curve NK 250-400/405

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 98317134 (equivalent flow and head), available in the catalogue.

Grundfos 98317134