Grundfos

NK 40-250/255

Code: 98350680 EAN: 5711493455448
Type NK Bare shaft
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Technical specifications

Pump typeNK
Nominal flow (m³/h)64.4 m³/h
Nominal head (m)75.9 m
Minimum efficiency index (MEI)0.70
Frequency (Hz)50 Hz
Frequency converterNone
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)-25 °C
Max. operating pressure16 bar
Connection pressure ratingPN 16
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBQQE
Gross weight63.2 kg
Net weight53.7 kg
EAN code5711493455448

Performance curve

Performance curve NK 40-250/255

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

Documents and datasheets

Equivalent alternatives

Pumps in the same hydraulic class as 98350680 (equivalent flow and head), available in the catalogue.

Grundfos 98350680