Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW, new bracket construction for standard motors (stub-shaft bearing).

Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733.
NM(S) : version with pump casing and lantern bracket in cast iron.
B-NM(S) : version with pump casing and lantern bracket/casing cover in bronze. (the pumps are supplied fully painted).
Connections : Flanges according to PN 10, EN 1092-2
Counter-flanges (on request) : Flanges for welding EN 1092-1, PN 10


For clean liquids without abrasives, which are non aggresive for the pump materials (solid content up to 0.2%). For water supply
For heating, air conditioning, cooling and circulation plants.
For civil and industrial applications.
For fire applications. For Irrigation

Operating Conditions

  • Liquid temperature -10°C to +90°C
  • Ambient temperature up to 40°C
  • Total suction lift to 7 m
  • Maximum permissible working pressure up to 10 bar (16 bar for NM 32L/16,20; NM 40/16,20; NM 50/12,16; NM 65/12.16,20,25; NM 80/16; NM 100/20
  • Continuous duty


  • 2-pole induction motor, 50 Hz (n = 2900 rpm)
  • NM, NMS : there phase 230/400 V±10% up to 3 kW; 400/690 V ± from 4 to 75 kW
  • Insuation class F. Protection IP 54 (IP 55 for NMS)
  • Motor suitable for operation with frequency converter from 1.1 kW
  • Classification scheme IE3 for three-phase motors from 0.75 kW
  • Constructed in accordance with : EN 60034-1; EN 60034-30-1.

    Special features on request
  • Other volatges. Frequency 60 Hz (as per 60 Hz data sheet)
  • Protection IP 55. Special mechanical seal
  • Packed gland (only for NM standard construction)
  • Single-phase motor (NMM) up to 1.5 kW
  • Higher or lower liquid or ambient temperatures
  • Motor suitable for operation with frequency converter up to 0.75 kW

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