NR, NR4

Construction
Close-coupled, single-impeller, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
The electropumps N, B-N, N4, B-N4 series comply with the European Regulation no. 547/2012 in force starting from 01.01.2013.
Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line).
Connections: Flanges PN 10, EN 1092-2.
Counterflanges (on request):
NR,NR4 40,50,65 : Screwed flanges PN 16, EN 1092-1.
NR4 100, NR4 125 : Flanges for welding PN 10, EN 1092-1.

Applications
- For clean liquids, without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%).
- For heating, conditioning, cooling and circulation plants.
- For civil and industrial applications.
- When low noise operation is required (n = 1450 rpm).