Grundfos End Suction Close-Coupled Single Stage

Grundfos end-suction pumps are versatile and reliable solutions suitable for a variety of applications. These centrifugal pumps feature a direct connection between the motor and the pump, making them compact and easy to install. Each pump is designed with a single impeller, an axial suction port, and a radial discharge port, typically operating with a horizontal shaft. Common applications for these pumps include water supply, industrial processes, and HVAC systems. Pump dimensions adhere to either EN 733 standards or ISO 2858.

Design Advantages

  • Standard dimensions according to EN and ISO standards
  • Compact design
  • Flexible pump range
  • EN 12756 shaft seal
  • Cast iron, bronze or stainless steel impeller options
  • Cast iron or stainless steel pump housing options

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.

  • Materials options
  • Shaft options
  • Low energy models
  • Accessories and spare parts
  • Baseplate/mounting

Key Specifications

  • Liquid temperature: -25 - 140 °C
  • Max. flow: 1400 m³/h
  • Max. head: 190 m
  • Max. pressure: 25 bar

Applications

  • District heating plants
  • Heating systems for blocks of flats
  • Air-conditioning systems
  • Cooling systems
  • Wash down systems
  • Other industrial systems
  • Pressure boosting
  • Irrigation
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Grundfos End Suction Close-Coupled Single StageGrundfos is deemed the largest pump manufacturer in the world with more than 19,000 employees globally and an annual production of over 16 million pump units.

OUR RANGE OF AVAILABLE Grundfos End Suction Close-Coupled Single Stage

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Grundfos End Suction Close-Coupled Single Stage - NB

NB

Max. flow: 408 m³/h
Max. head: 166 m
Max. pressure: 25 bar

Grundfos End Suction Close-Coupled Single Stage - NBE

NBE

Max. flow: 214 m³/h
Max. head: 81 m
Max. pressure: 25 bar

Grundfos End Suction Close-Coupled Single Stage - NBG

NBG

Max. flow: 1400 m³/h
Max. head: 175 m
Max. pressure: 25 bar

Grundfos End Suction Close-Coupled Single Stage - NBG Supervortex

NBG SUPERVORTEX

Max. flow: 231 m³/h
Max. head: 55 m
Max. pressure: 16 bar

Grundfos End Suction Close-Coupled Single Stage - NBGE

NBGE

Max. flow: 550 m³/h
Max. head: 190 m
Max. pressure: 20 bar

Grundfos End Suction Close-Coupled Single Stage - NBGE Supervortex

NBGE SUPERVORTEX

Max. flow: 194 m³/h
Max. head: 34 m
Max. pressure: 16 bar

PRINCIPLE OF OPERATION

A Grundfos end-suction close-coupled single-stage pump works by converting mechanical energy into hydraulic energy using centrifugal force. The impeller, which is driven by a motor, rotates and creates a low-pressure zone that draws liquid in from the suction side. As the liquid is forced outward, its velocity increases. This increase in velocity is then converted into pressure as the liquid flows into the volute casing.

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