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 lantern bracket in cast iron.
Flanges according to PN 10, EN 1092-2.
Counter-flanges available on request
- 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.
- When low noise operating is required.
- For irrigation.
4-pole induction motor, 50 Hz (n ≈ 1450 rpm).
Three-phase, 230/400 V ± 10% up to 3 kW & 400/690 V ± 10% from 4 to 75 kW.
Insulation class F. Protection IP 54.
Motor suitable for operation with frequency converter from 0,75 kW.
Classification scheme IE3 for three-phase motors from 0,75 kW.
Constructed in accordance with: EN 60034-1; EN 60034-30.
Calpeda NM4 40/16A/B