NM4, NMS4 Close coupled centrifugal pumps with flanged connection

Sep 13

close-coupled centrifugal pumps
electric motor with extended shaft directly connected to the pump up to 15 kW, new bracket construction for standard motors (stub-shaft construction) from 18,5 to 75 kW with integrated thrust bearing
pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion
NM4: version with pump casing and lanter bracket in cast iron
B-NM4: version with pump casing and lanter bracket/casing cover in bronze (the pumps are supplied fully painted)
connections:
- NM4 25/… : Threaded ports ISO 228
- from NM4 32/.. to NMS4 150/.. : Flanges according to PN 10, EN 1092-2
counter-flanges (on request):
- from NM4 32/.. to NM4 50/.. : Screwed flanges EN 1092-1, PN 16
- from NM4 32/.. to NMS4 150/.. : Flanges for welding EN 1092-1, PN 10

Applications
- for clean liquids without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0,2%)
- for water supply
- for heating, air conditioning, cooling and circulation plants
- for civil and industrial applications
- when low noise operating is required
- for irrigation

Calpeda