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Small piston sealing face

Posted: Fri Nov 13, 2009 8:57 pm
by Lockednloaded
I am making a mini coax at the moment, but my piston is in dire need of a sealing face. I have a solid teflon piston, and was wondering is one of those "LiveStrong" type rubber bracelets like This would work well as a sealing face

Posted: Fri Nov 13, 2009 10:08 pm
by D_Hall
Properly machined, the teflon itself should provide a nice sealing face.

Posted: Fri Nov 13, 2009 10:11 pm
by Lockednloaded
um... well the piston is made of teflon tape not solid machinable teflon. it is wrapped and compacted into a cylindrical shape, kinda ghetto, but it works for such a small piston.

Posted: Mon Nov 16, 2009 6:34 am
by psycix
wrapped and compacted into a cylindrical shape
:shock: I'm not sure if that will hold together...

Posted: Mon Nov 16, 2009 6:38 am
by Technician1002
A solid piston is highly recommended. The bracelets are soft, but not flat. Getting a seal to fill the cannon is difficult. If it seals the pressure may cut it. I would recommend using a faucet washer instead.

Posted: Mon Nov 16, 2009 6:39 am
by tghhs
How small are we talking?