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Back in the day, we used to fight with every stubborn flange on a 30-year-old boiler.
About 6 months ago on a job in Philly, we had this one flange that just would not seal, no matter how we torqued it. An old timer I used to work with told me to try heating the gasket with a torch for a few seconds before putting it in, just enough to make it soft. I was sure it would burn, but we tried it. It formed a perfect seal on the first pressure test and held at 150 psi. Anyone else have a weird old trick for sealing flanges that actually works?
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aliceshah7mo ago
Heating the gasket? That's insane.
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xena3736mo ago
Seen it work too, not even that crazy. Lilys82 is right about old Fords. You just warm the cork gasket with a heat gun until it's soft, then bolt it down. Seals up fine for a cheap fix.
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lilys827mo ago
My cousin did it on his old Ford. It actually worked.
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