Description
NR, NR4 Close-coupled, single-impeller, centrifugal pumps; electricmotor with extended shaft directly connected to the pump. NRS Close-coupled centrifugal pumps, new bracket construction for standard motors (stub-shaft construction) with integrated thrust bearing.
NR, NR4 series: Single head electropumps.
NRD, NRD4: Twin head pump with built-in automatic switching valve. The two
head can operate singularly or in parallel.
Pump casing with suction and delivery connections with the same diameter and
on the same axis (in-line).
Connections: Flanges according to PN 10-16, EN 1092-2.
Counter-flanges on request.
Sizes
Flanges
NR,NR4 32,40,50,65,80
NRD, NRD4 50,65
Screwed flanges EN 1092-1, PN 16
NR 80
NR4 100, NR4 125
Flanges for welding EN 1092-1, PN 10
EN 1092-1, PN 10-16
Liquid temperature from -10 °C to +90 °C.
Ambient temperature up to 40° C.
Total suction lift up to 7 m.
Maximum permissible working pressure up to 10 bar.
Continuous duty.
