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Northern Alberta

450mm DR25 PVC Valve Insertion

N.S. Pawliuk completed a 450mm DR25 PVC water main during the 2024 construction season.

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Materials Selection

  • 450mm AVT "EZ Valve" with epoxy resin coated ductile iron body. 

  • 350mm Hydra-Stop Insta-Valve 250 with 304 stainless steel sleeve.

  • 304 stainless steel fasteners used throughout. 

Key Points

  • This 450mm valve insertion was performed with no disruption of service to the existing pipe

  • As part of this project, several hot taps and a 350mm valve insertion were performed. 

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