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Grundfos 4-Pole NB : Fixed Speed Close Coupled End-Suction Pump (En 733)

Product Code 99803719
Availabilityin stock
Brand Grundfos

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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


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

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