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EfafluModel 4 NBS Series -Submersible Borehole Pumps

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The 4 NBS series consists of submersible, multistage, centrifugal pumps for collection of underground water in boreholes. As well as collection of surface water, since adequated motor cooling. The coupling of the pump to the motor complies with the NEMA standard.

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APPLICATIONS

  • Pressurized irrigation systems
  • Booster set systems
  • Public and domestic water supply
  • Industrial applications
  • Lowering groundwater levels

CONSTRUCTION MATERIALS

  • Pump body: AISI 304 stainless steel
  • Impeller: Technopolymer
  • Shaft: AISI 316 stainless steel

WORKING LIMITS

  • Maximum flow rate: up to 21 m3/h
  • Maximum head: up to 345 m
  • Maximum water temperature: +35ºC
  • PH of the liquid: 6,5 to 8,5
  • Maximum immersion: 150 m
  • Installation: Vertical or horizontal
  • Maximum sand content: 25 gr/m3