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
