GRUNDFOS NB,NK SUCTION PUMP
“These pumps are non-self-priming, single-stage, centrifugal volute pumps with axial suction port, radial discharge port and horizontal shaft.”
Back pull-out design enables removal of the motor, coupling, bearing bracket and impeller without disturbing the pump housing or pipework. Dynamically balanced rotary assembly as per ISO 1940 – Gr 6.3, minimises vibration levels and improves seal and bearing life.
Specifications
Application
Features
NB and NK pumps are single-stage end-suction pumps for large flows at moderate head. NK pumps are long-coupled for easy motor maintenance; NB pumps are close-coupled for a compact footprint.
What makes it the best
Design
Back pull-out design
Parts
CED coated cast iron parts
Seal
EN 12756 shaft seal
Dimensions
Dimensions according to EN 733 and ISO 2858 standards
impeller
Enclosed, balanced impeller
motors
Motors are with IE3 efficiency as standard