Grundfos

NB 250-500/525 AIASF1AESBQQEWW5

Non-self-priming, single-stage, centrifugal volute pump unit designed according to ISO 5199 with dimensions and rated performance according to EN 733 (10 bar). Flanges are PN 10 with dimensions according to EN 1092-2. The pump has an axial suction port, radial discharge port, horizontal shaft and a back pull-out design enabling removal of the motor, motor stool, cover and impeller without disturbing the pump housing or pipework. The unbalanced rubber bellows seal is according to DIN EN 12756. The pump is close-coupled to a fan-cooled asynchronous motor.

Suitable for: Commercial air conditioning, Industrial heating, Irrigation

NK 250-500/525 AIA2F1AESBQQEWW5

Non-self-priming, single-stage, centrifugal pump unit designed according to ISO 5199 with dimensions and rated performance according to EN 733. Flanges are PN 10 with dimensions according to EN 1092-2. The pump has an axial suction port, a radial discharge port and horizontal shaft. It is of the back pull-out design enabling removal of the motor, coupling, bearing bracket and impeller without disturbing the pump housing or pipework. The unbalanced rubber bellows seal is according to DIN EN 12756. The pump is equipped with a foot-mounted, fan-cooled asynchronous motor. Pump and motor are mounted on a common base frame.

Suitable for: Commercial heating