Standard

NNJ

  • Bareshaft pump.
  • Standard according to EN733 (DIN24255).
  • Equipped with a closed-type radial impeller.
  • Suitable for horizontal applications.
Opcional:
  • Long coupled version with flexible coupling and motor, assembled on a baseplate.
  • Zinc-free bronze or stainless steel impeller.
  • Pump entirely made of zinc-free bronze.
  • Pump entirely made of AISI 316.
APPLICATIONS
  • Heating and cooling systems
  • Systems with two or three-way valves
  • HVAC applications
  • Pressurization systems
  • Cooling towers
  • Hot water recirculation
  • Hot water recirculation
  • Water distribution
  • Irrigation
  • Industrial processes
CONSTRUCTION MATERIALS
  • Pump casing: EN-GJL-250, AISI 316 (on request)
  • Impeller: EN-GJL-250, AISI 316 (on request)
  • Shaft: AISI 420
  • Seal mechanical: Car/ Cer/ NBR or gland packing
  • O’Rings: EPDM
  • Notes: GQ or QQ versions available. Other seal options available.
WORKING LIMITS
  • Liquid temperature: up to 120ºC
  • Maximum operating pressure: 10 bar and 16 bar for extension to the standard
  • Maximum ambient temperature: 40ºC

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