Grundfos NB Centrifugal Pump are all non-self-priming, single stage, centrifugal volute pumps with axial suction port, radial discharge port and horizontal shaft. The NB range consists of close-coupled pumps with their main dimensions in accordance with either EN733 or ISO2858.
Grundfos NB Centrifugal Pump offers an impressive range of close-coupled end-suction pumps, whose sturdiness and reliability make them ideal for use in virtually all applications, including the most demanding environments. Application areas included water supply, heating/ district heating, industrial pressure boosting, industrial liquid transfer, air-conditioning, district cooling and irrigation.
Features and Benefits :
- Optimised hydraulics in housing and impeller = unimpeded liquid flow
- O-ring seal between pump housing and cover = no risk of leakage
- Housing, impeller and wear ring in different materials = improved corrosion resistance, no sticking elements
- Pump is CED coated to increase corrosion resistance
- Available with IE1, IE2, dan IE3 motors
- Available in a number of shaft seal and material variants
- PN 10, 16, and 25 bar
- For temperatures up to 140℃
- Compact design
- Flexible pump range
- Standard motor
Applications :
- District heating plants
- Heating systems for blocks of flats
- Air-conditioning systems
- Cooling systems
- Wash down systems
- Other industrial systems
Technical Data :
- Flow rate : maximum 1000 m³/h
- Head : maximum 160 m
- Liquid temperature : -25 to +140℃
- Operating pressure : maximum 25 bar