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. 

NM(S)4: version with pump casing and lanter bracket in cast iron. 

B-NM(S)4:version with pump casing and lanter bracket/casing cover in bronze. (the pumps are supplied fully painted).

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.

Operating conditions 

Liquid temperature from -10 °C to +90 °C. 

Ambient temperature up to 40 °C. 

Total suction lift up to 7 m. 

Maximum permissible working pressure up to 10 bar  (16 bar for NM4 40/16,20; NM4 50/16; N4M 65/16,20,25; NM4 80/16). 

Continuous duty.