Quote:
Originally Posted by ToddF
Wren,
Theoretical question: Given that the sealing surface of a push to connect fitting is the OD of the tube, well away from the end, why is the end of tube geometry critical to the sealing of the fitting? In other words, WHY does the end of the tube need to be perfectly square to seal properly?
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Speculation: When you push a beveled-end tube in all the way, it induces a torque on the tube, pulling the OD of the tube away from the ID of the fitting on that side.