Grundfos 4-Pole NB : Fixed Speed Close Coupled End-Suction Pump (En 733)
Product Description
End-suction close-coupled pumps according to EN 733
Suitable for
- Commercial air conditioning
- Irrigation
- Industrial heating
NB: with fixed speed motor.
NBE: variable speed motor, with built-in frequency converter - available on request
Specifications:
Ambient temperature: 0°C to +40°C
Liquid temperature : Clean water / Glycol: -25°C to +120°C
Shaft seal : Clean water / Glycol: BQQE (Rubber bellows seal / Silicon carbide /
Silicon carbide / EPDM) - Others on request.
Supply voltage : Up to 3 kW - 3 x 220-240 Volt D/380-415 Volt Y 50 Hz
From 4 kW to 5.5 kW - 3 x 380-415 Volt D 50 Hz
From 7.5 kW - 3 x 380-415 Volt D/660-690 Volt Y 50 Hz
Efficiency class : IE3
Enclosure class : IP55
Material : Cast iron housing / Bronze impeller / Stainless steel AISI 304 shaft /
Brass wear ring
Connections : DIN Flange
Base Plate: Available on request - Refer to Page 4.28
Variable Speed Option: Available on request
Motor Speed : 1450 rpm
The product image shown is for illustration purpose only