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Southern Alberta

300mm Cast Iron Valve Insertion

N.S. Pawliuk completed a valve insertion on a 300mm cast iron potable water main.

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Materials Selection

  • Hydra-Stop "Insta-Valve 250" insertion valves, featuring 304 stainless steel sleeves and EPDM resilient wedge gates. 

Key Points

  • This valve insertion allowed for an in-line valve to be installed with no disruption of service.

  • As with all hot tap, the tapping sleeve and valve had been pressure tested to ensure no leaks could have occurred. 

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