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NR |
In-line Pumps |
n 2900 1/min
n 1450 1/min |
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Construction |
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Close-coupled, single-impeller, centrifugal pumps;
electric motor with extended shaft directly connected to the pump.
Pump casing with suction and delivery connections with the same diameter and on
the same axis (in-line).
Connections: Flanges PN 10, UNI 2236, UNI 2237.
| Counterflanges (on request) |
| Sizes |
Flanges |
| NR 50, NR 65 |
Screwed flanges PN 16, UNI 2247 |
| NR 80, NR 100, NR 125 |
Flanges for welding
PN 10, UNI 2277, UNI 2278 |
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Applications |
For clean liquids, without abrasives, which are
non-aggressive for the pump materials
(contents of solids up to 0.2%).
For heating, conditioning, cooling and circulation plants.
For civil and industrial applications.
When low noise operation is required (n = 1450 rpm). |
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Operating conditions |
Liquid temperature up to 100° 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 |
4-pole induction motor, 50 Hz (n = 1450 rpm).
NR: three-phase 230/400 V ± 10%.
NRM: single-phase 230 V ± 10%.
2-pole induction motor, 50 Hz (n = 2900 rpm).
NR .../2: three-phase 230/400 V ± 10%.
NRM .../2: single-phase 230 V ± 10%.
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.
- Higher liquid or ambient temperatures. |
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Warranty |
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One year (as per our general sales conditions). |
