Installing Expansion joints against pipe with stub ends and metal rings that back up against our rubber flange causes problems with sealing. The best system with pipe like this is to add an HDPE Flange Ring that lays against the stub end and then attach the rubber flange to the full face HDPE flange.

Installing Expansion joints against pipe with stub ends and metal rings that back up against our rubber flange causes problems with sealing. The best system with pipe like this is to add an HDPE Flange Ring that lays against the stub end and then attach the rubber flange to the full face HDPE flange.

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