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threaded adaptors

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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threaded adaptors

Unread postAuthor: judgment_arms » Fri Oct 27, 2006 6:12 pm

Hey all, I got two questions: one, is it safe to file off the ridges on a threaded male and female adaptors? And two, how do you get a modded sprinkler valve to stop honking (yes I have looked.)
Yeah I know… I ask too many questions.
Thanks
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Unread postAuthor: jjk92 » Fri Oct 27, 2006 6:34 pm

what are you going to do with the male and female adaptors after filing them?
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Unread postAuthor: judgment_arms » Fri Oct 27, 2006 6:42 pm

I’m trying to make a 3” coaxial cannon and sleeve it in 4” and I’d like to be able to access the piston.
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Unread postAuthor: frankrede » Fri Oct 27, 2006 6:44 pm

Mod teh sprinkler valve with as little as possible hose for the blow gun.More hose=more honk.
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Unread postAuthor: jjk92 » Fri Oct 27, 2006 6:52 pm

sweet i didnt know that thanks
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Unread postAuthor: SquishY » Fri Oct 27, 2006 7:28 pm

The honking also happens when it is opened to slow, or at a lower pressure.
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Unread postAuthor: judgment_arms » Fri Oct 27, 2006 7:35 pm

Ok thanks, but about my first question is it safe? By the way I’m not talking abort the threading but the ridges around the out side.
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Unread postAuthor: SquishY » Fri Oct 27, 2006 7:50 pm

The hex so that is all round? Then yes, Gort does this to make stuff fit flush.
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Unread postAuthor: judgment_arms » Fri Oct 27, 2006 8:12 pm

No my adaptor has little ridges that run parallel to the pipe.
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Unread postAuthor: SquishY » Fri Oct 27, 2006 9:02 pm

Hm, I think those are only on DWV and other non-pressure safe pipe, might want to look into that because I have no pressure fittings with ridges like that.
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Unread postAuthor: judgment_arms » Fri Oct 27, 2006 9:50 pm

Yes well it’s “for pressure”, and it’s only 1.5” so…
Hey instead of starting a new topic all just ask it here, what can you use instead of Teflon tape to seal threads?
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Unread postAuthor: SpudStuff » Fri Oct 27, 2006 10:51 pm

They all have thoes ridges, thay are so you can grop the pipe with a wrench. Thoes ridges don't effect the strength of the fitting. You can difinitvly file them off.
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Unread postAuthor: SquishY » Fri Oct 27, 2006 11:10 pm

That's what I said spudstuff, the hex ridges but he said no. Eh well, look by the pvc glue and crap and they will have this stuff in tubes that looks like tooth-paste, its teflon goo, it never dries. It works in applications with pressure and temperature, pretty good all around stuff to have in the box.
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Unread postAuthor: SpudStuff » Fri Oct 27, 2006 11:14 pm

Yes, it does dry out and form a hard kacky crap.
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Unread postAuthor: SquishY » Fri Oct 27, 2006 11:24 pm

I've had some on a modded sprinkler valve for a few weeks now and its still wet, I'm not sure why the pressure doesn't blow it off but its there and it seals perfectly.
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