NM Close Coupled Centrifugal Pumps with flanged connections

Calpeda NM Close Coupled Centrifugal Pumps
NM Close Coupled Centrifugal Pumps

Construction
Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733.
Connections: Flanges according to PN 10, EN 1092-2. [Counter-flanges (on request)]

 

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.

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.
Continuous duty.

Motor
2-pole induction motor, 50 Hz (n = 2900 rpm).
NM: 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.
Constructed in accordance with IEC 60034.

Special features on request
- Other voltages. - 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.
- Explosion proof construction in accordance with Directive 94/9 EEC (ATEX).
- Higher or lower liquid or ambient temperatures.

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