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NM, NMS

Close coupled centrifugal pumps with flanged connections 2- and 4- poles

용량

1 / 480
mc / h

널리 퍼짐

3 / 95
m

0.25 / 75
kW
, ,
실행

NM, NM4 Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW (15 kW for NM4).
NMS, NMS4 Close-coupled centrifugal pumps, new bracket construction for standard motors (stub-shaft construction) with integrated thrust bearing.
Rated speed of rotation (50 Hz):
NM, NMS ≈ 2900 rpm.
NM4, NMS4 ≈ 1450 rpm.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion. (NMS4 80/400).
N 40-250C version with pump casing and lantern bracket in cast iron.
BNM(S), BNM(S)4: version with pump casing and lantern bracket/casing cover in bronze.
The pumps are supplied fully painted.
Version with frequency converter (on request)

응용 분야

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.

사용 제한

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 16 bar (10 bar for NM 32/12; NM,NM4 32/16,20; NM,NM4 40/25; NM,NM4 50/20,25; NM4 65/31; NM,NM4
100/25; NM4 100/315,400; NM4 125/250 and bronze version).
Continuous duty

모터

2-pole induction motor, 50 Hz (n ≈ 2900 rpm).
NM, NMS: 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 (IP 55 for NMS).
Motor suitable for operation with frequency converter.
IE3 efficiency class for three-phase motors (IE2 up to 0,65 kW).
Constructed in accordance with: EN 60034-1; EN 60034-30-1.

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Case History

Case History

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관련 제품

C

采用开放式叶轮的离心泵

용량

0.6 / 15
mc / h

널리 퍼짐

3.6 / 22.4
m

0.15 / 1.1
kW

N, N4

End-suction centrifugal pumps EN 733 2- and 4- pole

용량

2.4 / 480
mc / h

널리 퍼짐

1.5 / 95
m

0.25 / 75
kW

NM, NMD

带螺纹进出水口的单体离心泵

용량

1 / 66
mc / h

널리 퍼짐

3.5 / 114
m

0.37 / 9.2
kW