We unbolted the flange to gain access to a seperate issue on the project and found the gasket had torn. The gasket never leaked and we would have never had found it unless we manually seperated the flanges. Upon finding the torn gasket our customer started having concerns about the torque spec...
To answer some of your questions.
The failure: The pipe flanges were seperated and the gasket had been torn due to over clamping. It did not leak, but the since it was torn, we believe it eventually would. We torqued the bolts to recommended torque value of the bolt (not considering the...
I'm using 1/8" SBR red rubber gasket (various sizes) and I am having a difficult time finding out what the min and max clamping forces on the seal should be. I called the manufacturer and of course they were no help. We had a failed gasket and now our costumer wants a writen spec. So if...