Need some advise

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
cstru18
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Sat Oct 12, 2013 1:49 am

Hey there everyone I'm wanting to build a 1/2 piston valve. But I'm having some trouble on finding a male tee to use. I'm just not sure if I'm supposed to use a 1/2 male compression tee or just a standard tee. Thanks in advanced
MRR
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Sat Oct 12, 2013 2:22 am

1/2" is small to begin with so I would take a "compression tee" if you mean a tee with a smooth inside and outer threads.

edit:
Sorry, I looked up compression tee and I don't think it will fit your needs.
Find a tee with outer threads and a smooth surface inside or a tee with inner threads + 1/2" male to male fittings (smooth surface inside).
cstru18
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Sat Oct 12, 2013 2:50 am

I just wanted to try make a piston valve like this. http://www.spudfiles.com/resources/image/17438

And I think this is a compression tee use in tho piston valve
MRR
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Sat Oct 12, 2013 3:35 am

Yea, it looks like a compression tee but without the fittings and the brass rings on it.

For comparison, a fully equipped compression tee....
Image

You have to keep in mind that you need a good surface inside the tee to house the piston and enough space for it to move away from the seat.
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Gun Freak
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Sat Oct 12, 2013 9:43 pm

It'd probably be easier to just use a female tee and threaded nipples, that way you have long enough travel and guaranteed smoothness.
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Sun Oct 13, 2013 5:07 am

Gun Freak wrote:a female tee and threaded nipples
Awww say that again! :D
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