Grundfos

NBG 300-250-500/525

Code: 99117339 EAN: 5712607088705
Type NBG
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Technical specifications

Pump typeNBG
Nominal flow (m³/h)666.6 m³/h
Nominal head (m)35.73 m
Minimum efficiency index (MEI)0.48
Power P2 (kW)90 kW
Phases3
Phases3
Voltage (V)380-415D/660-690Y V
Frequency (Hz)50 Hz
Enclosure classIP55 (Protect. water jets/dust)
Frequency converterNone
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)0 °C
Max. ambient temp. (°C)60 °C
Max. operating pressure16 bar
Connection pressure ratingPN 16
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBAQE
Gross weight1800 kg
Net weight1650 kg
Motor number83Q16442
EAN code5712607088705

Performance curve

Performance curve NBG 300-250-500/525

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 99117339 (equivalent flow and head), available in the catalogue.

Grundfos 99117339