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Metal union sealing
Posted: Sat Aug 18, 2007 8:51 am
by spanerman
Hi guys, i have a 3/4 steel union in my hybrid...ive only used bicycle iner-tubes which seem to be self sealing but i cant seem to get coke cans to seal....how do i combat this? use 1 layer of inner tube and one coke can? i cant see anyway short of machining o o-ring grove in there...
Posted: Sat Aug 18, 2007 9:53 am
by potatoflinger
Maybe you could cut your own o-ring out of an inner tube, and make it the size of your union, so that it fits in the union.
Posted: Sat Aug 18, 2007 11:25 am
by noname
The make gaskets that are meant to be put in metal unions, because they don't seal on their own. The gaskets are usually in little packages labeled "3/4" union gasket." They're also really cheap, just get one of those, and if you can't find one, just make one yourself out of sheet rubber.
Posted: Sat Aug 18, 2007 1:37 pm
by hi
i had that problem with mine, i just took a pipe wrench to it and that got it to shut up and quit whinnning.
Posted: Sat Aug 18, 2007 1:39 pm
by SpudBlaster15
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Posted: Sat Aug 18, 2007 1:46 pm
by spanerman
ok quick question.......are all sealing faces on unions taperd.....
Posted: Sat Aug 18, 2007 2:09 pm
by SpudBlaster15
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Posted: Sat Aug 18, 2007 2:11 pm
by spanerman
ok thanks...i made a rubber gasket seals perfect:)