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piston bumper problems

Posted: Sat Apr 21, 2007 9:24 am
by lukemc
i made a 2" coaxail piston valve and have final come across a problem. my bumper.
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this was my original plan with the bumper behind the ball valve. the threaded part is so i can have access to the piston if it dosent work but i just realzed that the ID of 2" male threaded adapter is smaller than the ID of 2" pipe

this a picture of the male adaptor inside the female adapter. you can see it is consiterably smaller
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the peices inside each other form the side
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and my piston
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the only thing i can think of it to just have the bumper inbetween the fittings but i cant close it off how would i go about doing this? help would realy...well help :D

Posted: Sat Apr 21, 2007 10:17 am
by spudthug
put some sort of hose around a fitting like u said...air hose...bike tube...anything works...expandable foam works the best but it has to be glue some how