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The JP pump is a self-priming, single-stage centrifugal pump with axial suction port and radial discharge port, The pump has a built-in ejector with guide vanes for optimum self-priming properties.

Clean, thin, non-aggressive and non-explosive liquids without solid particles or fibres. Use of the pump for pumping unclean liquids, such as pool water, requires subsequent flushing with clean water. The pump must not be used for transfer of diesel oil or other oil-containing liquids.

Applications

Built for long trouble-free life, the small and handy Grundfos JP pump is suitable for a wide variety of water supply and transfer duties in home, garden and hobby applications as well as in agriculture, horticulture and small-scale service industries.
Combined with press control or tank for demand control the jet pump is ideal for small water supply systems.

  • Self-priming
  • Stable operation even in case of air in the liquid
  • The robust design makes the pump suitable for fixed installation.
  • The pump is directly coupled to a special fan-cooled asynchronous Grundfos motor, adapted to the pump performance.
  • Single-phase motors have a built-in thermal switch and require no additional motor protection.
  • Three-phase motors require external motor protection.

JP pumps are available in the following material variant: Cover plate, motor stool and base plate in one unit. The handle is fitted crosswise. Both are made of composite material.

Specifications

Flow, Q: Up to 117 l/min (7 m3/h).
Head, H: Maximum 48 metres.
Operating pressure: Maximum 6 bar.
Suction lift: Maximum 8 metres, including suction pipe pressure loss at a liquid temperature of +20 °C
Liquid temperature:
  • : Material variant A: 0 °C to +40 °C.
  • : Material variant B: 0 °C to +55 °C.
Ambient temperature: Maximum +40 °C.

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