Grundfos

NK 250-400/301

Code: 97684669 EAN: 5710621458955
Type NK Bare shaft
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Technical specifications

Pump typeNK
Nominal flow (m³/h)588.1 m³/h
Nominal head (m)22.9 m
Minimum efficiency index (MEI)0.46
Frequency (Hz)50 Hz
Frequency converterNone
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)0 °C
Max. operating pressure10 bar
Connection pressure ratingPN 10
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBAQE
Gross weight568 kg
Net weight492 kg
EAN code5710621458955

Performance curve

Performance curve NK 250-400/301

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 97684669 (equivalent flow and head), available in the catalogue.

Grundfos 97684669