Grundfos

NKE 40-125/139

Code: 99539507 EAN: 5713830748961
Type NKE Series 2000
Request quote

Technical specifications

Pump typeNKE
Nominal flow (m³/h)44.12 m³/h
Nominal head (m)21.42 m
Minimum efficiency index (MEI)0.66
Power P2 (kW)4 kW
Phases3
Voltage (V)380-500 V
Frequency (Hz)50 Hz
Enclosure classIP55
Frequency converterBuilt-in
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)-25 °C
Max. ambient temp. (°C)50 °C
Max. operating pressure16 bar
Connection pressure ratingPN 16
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBQQE
Gross weight145 kg
Net weight105 kg
Motor number93137610
EAN code5713830748961

Performance curve

Performance curve NKE 40-125/139

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 99539507 (equivalent flow and head), available in the catalogue.

Grundfos 99539507