Malmberg Gruppen AB

- Model Class 5 - Backflow Protection System

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Malmberg Backflow protection is a complete unit that has good performance and reliable management. Since the device is circular and has minimal protruding parts it is easily placed in small pumping stations and treatment plants and can advantageously also be placed in corners.

Malmberg Backflow protection is a complete unit that has good performance and reliable management. Since the device is circular and has minimal protruding parts it is easily placed in small pumping stations and treatment plants and can advantageously also be placed in corners. The product provides a concentrated stream and is therefore of high purification efficiency.

Water supply is connected to the mounted solenoid valve. The water level in the reservoir is controlled by a solenoid valve which in turn is controlled by the level control relay.

In the event of return flow the media will brim by the non‐circular spillway.

The safety distance is > 2 times the connected diameter. The pump is controlled by a combined pressure‐ and flow switch which also has built‐in dry running protection. As an extra safety against dry running a level indicator is mounted on the pump. The Malmberg Backflow protection is delivered as a complete unit i.e. including control equipment, hose with mouthpiece and ball valve.

  • Voltage: 230 V
  • Engine power: 0,9 kW
  • Engine nominal current: 5,9 A
  • Max. Pressure head: 68 m
  • Max flow: 70 l/min
  • Max temp. of pumped liquid: 40 ºC
  • Water connection: DN 20
  • Operating pressure: 36 m
  • Operation Flow: 66 l / min

Based on the enclosed equipment and mouthpiece.

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