DESCRIPTION
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.
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: Flanges according to PN 10, EN 1092-2.
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.
PERFORMANCES
Capacity up to 11000lt/min (660m3/h)
Head up to 61m
APPLICATIONS
For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0.2%)
For water supply
For heating, air-conditioning, cooling and circulation plants
For civil and industrial applications
For fire fighting applications
For irrigation
