|Close Coupled Centrifugal Pumps
with threaded ports
|Close-coupled, centrifugal pumps; electric motor with|
extended shaft directly connected to the pump.
NMD: with two back-to-back impellers
(with axial thrust balancing).
Connections: threaded ports ISO 228/1 (BS 2779).
|- 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
- For civil and industrial applications.
- For fire fighting applications.
- For irrigation.
|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 pumps NMD 25/190; NMD 32/210;
|2-pole induction motor, 50 Hz (n = 2900 rpm).|
NM, NMD: three-phase
230/400 V ± 10% up to 3 kW;
400/690 V ± 10% from 4 to 9,2 kW;
NMM, NMDM: single-phase
230 V ± 10%, with thermal protector.
Insulation class F.
Protection IP 54.
Constructed in accordance with IEC 34.
|Special features on request|
|- Other voltages.|
- Frequency 60 Hz (as per 60 Hz data sheet).
- Protection IP 55.
- Special mechanical seal
- Higher or lower liquid or ambient temperatures.