• pump
  • impeller
  • dry2
  • 011010166 KPH02
  • sc

Dargang Ruey Chaang Blowers

Side Channel Vacuum Pumps and Blowers

Pump and Vacuum Specialists are the sole NZ agent for Dargang (Ruey Chaang) blowers and vacuum pumps. These pumps are designed for handling air, other non-explosive gases and gas/air mixtures, completely oil-free. The same blower can be used either as a vacuum pump or as a compressor.


  • Single and two stage from 0.18kW - 20kW
  • Easy to Install - mounted in any position, horizontally or vertically.
  • High Reliability
  • Low noise level
  • No oily odours
  • High efficiency
  • Interchangeable with Ruey Chaang


  • Maintenance free shaft seal, separating the motor from the impeller.
  • Casing: The casing for the impeller and the motor are individually cast.
  • Silencer: The inlet and outlet are constructed as silencers to reduce noise.



We service liquid ring vacuum pumps, rotary vane and all types of industrial pumps in Christchurch and also the North Island.

Please contact us for further information.


We have a complete range of accessories, including:

  • relief valves (pressure and vac
  • exhaust silencers