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DVV
DRV
DRS
DRSK

Popular submersible pump with vortex impeller

The DRV series submersible pumps have proven their reliability and durability in various demanding applications for many years. The pumps with high-quality, single-channel vortex impeller are available in different models. This makes this series to be a popular solution for the transportation of sewage or waste water in municipal sewage systems, the drainage of sewage in building technology, and light industrial or drainage applications.

Working range

  • Max flow: 155 m3/h
  • Max head: 27 mwc
  • Liquid temperature: Max. 50°C
  • Pressure class: PN6-PN16
  • Connections: NW 50-100
  • Liquids: Raw sewage water, primary sludg, return and fermented sludge, waste water

Quality and efficiency

The DRV is a professional sewage pump. Both the material, construction and hydraulic design are of the highest possible quality to ensure operational reliability and a long service life.

  • Pump is cast in one piece from high-quality cast steel*
  • Hardened axle for smooth operation*
  • High-quality seals*
  • Stainless steel bolts *


* The specification may vary for each version




Maintenance free

Apart from regular checks to ensure the settings are correct and maybe to clean the tank, this pump is essentially maintenance free. The alignment with the right medium ensures that the pump does not become clogged; thermal protection in the

motor and sealed bearings guarantee lifetime lubrication of the pump, which means the pump will require virtually no maintenance in its lifetime.

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Broad range of uses

Because of the limited free cross-sectional area, the pump is suitable for waste water or liquids with solid and long, fibrous particles, as well as coarse solids such as untreated sewage, primary sludge, return and fermented sludge and waste water. Even for the transportation of gaseous liquids, this series provides trouble-free operation.

Options

Optionally, the DRV can run with automatic level control, or assembled into a complete system including HDPE or concrete pit.

Contact your local dealer for more information

Applications

  • Sewage drainage in building technology
  • Tunnel waste water drainage
  • Drainage
  • Municipal sewage systems
  • Light industrial applications


Technical specifications

  • Waste water submersible pump from high-quality cast steel (JL 1030/GG20), cast from one piece*
  • Equipped with vortex impeller (JL 1030 or JL 1040/GG20) free cross-sectional area 30-100*
  • Hardened shaft (1.4021/AISI 420) for long life and trouble-free operation*
  • Protection class IP68
  • 10 m cable with plug connection*
  • Sealed bearings; lubricated for life
  • Stainless steel nuts and bolts
  • Pump suitable for S1 operation (continuous) when submerged

Motor data
  • 0.55 kW to 4.2 kW
  • 1 x 230V or 3 x 400V
  • 2-pole or 4-pole variant
  • Frequency 50Hz (60Hz option available)
  • Built-in thermal protection for the motor*
  • Direct On Line (DOL) Connection <= 4 kW and > 5.5kW Star Delta
  • Double mechanical seal*
* Depending upon model



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