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.
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roughboy
- Specialist

- Posts: 197
- Joined: Fri May 12, 2006 12:43 am
Tue Sep 12, 2006 2:45 am
I want to make a metal cannon using 250psi but what kind of valve should i use that can handle 250psi?-----THANX
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MrCrowley
- Moderator

- Posts: 10078
- Joined: Fri Jun 23, 2006 10:42 pm
- Location: Auckland, New Zealand
- Been thanked: 3 times
Tue Sep 12, 2006 2:52 am
home made piston,you would have to make it uber strong though.
im pretty sure QEVs can handle 250psi,they might do but i cant tell as i havnt used one.
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carlbelcher
- Corporal

- Posts: 532
- Joined: Mon Jun 12, 2006 6:54 pm
Tue Sep 12, 2006 4:38 am
Some QEVs (quick exhaust valves) are rated to 250 psi but most are only rated to 125-175 psi.
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