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The Insta Valve process utilises our HydraStop system to allow CTS to perform and under pressure tapping directly on top of the main which then allows CTS to install a valve into a live main with no disruption to the service at all. (Main is kept live the whole time).


Insta Valves are 316SS and come in a size range of 100mm up to 300mm. Insta Valves can be performed on a range of existing main types and work just like any “regular valve” in the market place (with the same valve nut size, same amount of turns to close/open as a standard AS valve). An Insta Valve gar


For a better understanding of the process please click on the Animation Tab.

Utilising our Insta Valve Technology provides many benefits including:

  • Eliminates overtime & after hours cost of traditional valve cut-ins.
  • Maintains the pipeline integrity with no flow disruption.
  • Eliminates water supply disruption to customers including key stake holders such as hospitals, nursing homes, cafes, restaurants, etc.
  • Eliminates potential back flow and contamination of the water supply system.
  • No loss of fire protection as the water main is charged at all times.
  • No wastage of water or costs to de-water or recharge.
  • No water quality issues or supply problems, re-chlorination is not required.