Dual free flow slurry ballcheck valves

The free flow slurry ballcheck valves from Dual Valves Australasia are designed for versatile application in mining, power generation, chemical, paper and environmental industries.

Dual free flow slurry ballcheck valves (DFFV) operate on the discharge side of the pump. As the flow through the pipeline starts or stops, the ball automatically rises and falls, thereby opening and closing the valve. This occurs without noticeable shock or hammer, regardless of the pressure or the speed of closure.

Key benefits of the Dual free flow slurry ballcheck valves include a self-cleaning design, long ball life due to rotation and maintenance-free operation.
Technical features:

  • Size: 80mm to 600mm
  • Different sizes available on request
  • Operating pressure: 0 to 100 bar


  • Mining and mineral processing
  • Power generation
  • Sand and gravel
  • Chemical and soda ash
  • Pulp and paper
  • Environmental and effluent

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