Product Enquiry


  • This field is for validation purposes and should be left unchanged.

The DDV valve operates on the discharge side of two pumps in parallel. Both pumps can run simultaneously or  independently. When one pump is switched off, the ball will automatically drop back stopping the back flow to the second pump.



  • Valve body and face-to-face dimensions can be changed to suit existing applications
  • Replaceable seats and can be made from any material requested
  • Replaceable balls are made from Urethane or Rubber


  • Particularly suited for mill cyclone feed  pump applications.
  • All slurry applications requiring trouble free pump changeover
  • SIZE (mm): 100 to 600. Different sizes available on request
  • OPERATING PRESSURE: 10, 16 and 25 bar
Share Product: