Grundfos

NK 40-125/139

Code: 96929639 EAN: 5700313900732
Type NK Bare shaft
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Technical specifications

Pump typeNK
Nominal flow (m³/h)44.1 m³/h
Nominal head (m)21.4 m
Minimum efficiency index (MEI)0.66
Frequency (Hz)50 Hz
Frequency converterNone
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)0 °C
Max. operating pressure16 bar
Connection pressure ratingPN 16
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBAQE
Gross weight47 kg
Net weight36.2 kg
EAN code5700313900732

Performance curve

Performance curve NK 40-125/139

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

Documents and datasheets

Equivalent alternatives

Pumps in the same hydraulic class as 96929639 (equivalent flow and head), available in the catalogue.

Grundfos 96929639