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NM |
Close Coupled Centrifugal Pumps
with flanged connections |
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Construction |
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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 UNI 2236, UNI 2237, PN 10
Counter-flanges (on request)
| Sizes |
Flanges |
from NM 32/...
to NM 50/... |
Screwed flanges UNI 2247, PN 16 |
from NM 65/...
to NM 100/250 |
Flanges for welding
UNI 2277, UNI 2278, PN 10 |
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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 irrigation. |
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Operating conditions |
Liquid temperature up 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. |
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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 34. |
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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.
- Higher liquid or ambient temperatures. |
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Warranty |
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One year (as per our general sales conditions). |
