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In-line centrifugal pump NR, NRD, NR4

In-line centrifugal pump NR, NRD, NR4

Characteristics

Delivery Head: м, max 100 m.
Capacity: М3, max 550 m3
Operating Temperature, t C -10°C / +140°C
Engine work, KW up to 90
Suction Flange DN DN40...DN200
Discharge Flange: DN DN40...DN200
Material cast iron, steel
Engine speed RPM 1450-2950 RPM

Description

Monoblock pumps with direct connection to the engine are designed for pumping clean liquids containing abrasive particles up to 0.1 mm in size and a concentration of up to 0.2%. temperature up to 140 °C Used in water supply and heat supply.

Pump design 

- Single-stage monoblock centrifugal pumps with a closed impeller, with sockets of the same diameter located in one line, which can be connected to a straight pipe
- The pump impeller is located on the motor shaft and is supported by bearings.
- The shaft seal is provided by a mechanical seal.
- The pumps are equipped with electric motors in accordance with VDI standards and IEC size
- Thanks to the removable rear design of the pumps, the motor, bearing seal, bearings, impeller can be dismantled without separating the volute from the pipeline.
- The suction and discharge flanges comply with EN 1092-2 / PN 16.

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