NM4, NMS4 Close coupled centrifugal pumps with flanged connection

Construction

• 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