QEV Question

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.
mikehunt042084
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Thu Oct 25, 2012 10:40 am

I'm working on a QEV launcher and I have everything but the flippin valve. I have found thousands of different ones online but almost none of them list opperating pressure, can someone point me to a reliable QEV?
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jackssmirkingrevenge
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Thu Oct 25, 2012 10:53 am

What pressure do you want to work with, and does your area cater for BSP or NPT fittings?
hectmarr wrote:You have to make many weapons, because this field is long and short life
mikehunt042084
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Thu Oct 25, 2012 11:36 am

NPT fittings and no more than 150psi, most often lower but never higher as that is toward max safe pressure for some of the fittings I have.
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jackssmirkingrevenge
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Thu Oct 25, 2012 12:16 pm

hectmarr wrote:You have to make many weapons, because this field is long and short life
mikehunt042084
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Thu Oct 25, 2012 1:19 pm

Awesome thank you.
mikehunt042084
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Thu Oct 25, 2012 1:34 pm

I'm guessing P is for pilot and R is resiviour?
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archie370
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Thu Oct 25, 2012 3:21 pm

Where r u looking Bud i can see any abbreviations ?
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mikehunt042084
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Thu Oct 25, 2012 3:50 pm

Each of the ports has a letter next to it in the picture of the valve.
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jackssmirkingrevenge
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Thu Oct 25, 2012 4:42 pm

No, R is where the barrel goes and A is where the chamber goes.
hectmarr wrote:You have to make many weapons, because this field is long and short life
mikehunt042084
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Thu Oct 25, 2012 6:19 pm

Awesome thanks for clearing that up for me, I wanted to make sure how it worked (I've never used a QEV before) before I bought it on the off chance it didn't come with any documentation.
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