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Pneumatic repair

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Pneumatic repair

Unread postAuthor: frankrede » Tue Oct 24, 2006 10:09 pm

Ok so on my over under pneumatic with a U shaped sprinkler valve, my threads snapped on the valve.
I went to teh store and bought a 2 in coupling a threaded 2 in to 1 in bushing and a steel nipple.Plus a a 1 1/2 in coupler 1 1/2 to 1 in threaded bushing and a 1 in steel nipple.
I could ony thread in the nipple about a centimeter before it wouldn't go in farther so I placed my threaded bushing into the oven to soften it teh threaded in the nipple. The nipples had teflon.
I am just wondering if my gun is safe for operation? It still doesn't go that far or deep but is alot better. Will the threads blow out under pressure?
I shoot at 100 psi regularly.


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Unread postAuthor: Pete Zaria » Tue Oct 24, 2006 10:24 pm

How many turns does it thread before it stops?

You could use lots of JB weld and/or some screws to secure the pipe into the valve...


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Unread postAuthor: frankrede » Tue Oct 24, 2006 10:45 pm

Pete Zaria wrote:How many turns does it thread before it stops?

You could use lots of JB weld and/or some screws to secure the pipe into the valve...


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I would estimate 3-6?
Hmm.
I don't want to use screws but I guess ill pressure test it behind a brick wall
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Unread postAuthor: Pete Zaria » Tue Oct 24, 2006 11:17 pm

I'd think 6 turns (if it gets that many) is probably OK... I'd use a bunch of JB weld or epoxy to be safe.

Pressurize it from a distance the first few times. And to be safe, pressurize it to 20 psi over what you normally use, to give a margin of error.

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