Grundfos

NKG 125-80-400/438

Code: 97639871 EAN: 5710620034396
Type NKG Bare shaft
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Technical specifications

Pump typeNKG
Nominal flow (m³/h)172.3 m³/h
Nominal head (m)56.8 m
Minimum efficiency index (MEI)0.41
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 weight266 kg
Net weight201 kg
EAN code5710620034396

Performance curve

Performance curve NKG 125-80-400/438

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 97639871 (equivalent flow and head), available in the catalogue.

Grundfos 97639871