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1/4 ballvalve max. pressure?

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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1/4 ballvalve max. pressure?

Unread postAuthor: Gunner » Sat Jan 17, 2009 2:33 pm

What do you think that if I make 30x mixture and Ill use that valve so does it handle it?
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Unread postAuthor: ALIHISGREAT » Sat Jan 17, 2009 2:37 pm

it depends on the valve.... there is more than one type of ball valve out there you know :wink:
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Unread postAuthor: Sticky_Tape » Sat Jan 17, 2009 2:39 pm

Depends on what type of ballvalve. There are some that are rated to 150psi and some that are rated up to I think a couple thousand psi if you are talking about the regular $6 home depot ones I don't think it would be as safe but I think it would hold. You never know you look at shrader valves and think they would be flimsy but can actually hold a hell of alot'a pressure. EDIT: beaten to the punch but this should give you a better idea.
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: ALIHISGREAT » Sat Jan 17, 2009 2:43 pm

yeah lol my post wasn't too helpful :oops:
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Unread postAuthor: maggotman » Sat Jan 17, 2009 2:46 pm

well ive used the 1/2 b&q ones when i fucked my fridg pump at 1800psi and thay handled it fine the worst that could happen is a seal fail id Imagen
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Unread postAuthor: Sticky_Tape » Sat Jan 17, 2009 3:01 pm

1800psi?! With a fridge pump? Wow you should have stored it before it got [censored]
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: maggotman » Sat Jan 17, 2009 3:11 pm

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Unread postAuthor: Biopyro » Sat Jan 17, 2009 5:33 pm

You are british, and all metal BS ball valves have a "PN" rating. Most this small are PN50 I believe, meaning 50 bar, but it is entirely possible they go higher, particularly that small.
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Unread postAuthor: maggotman » Sat Jan 17, 2009 5:37 pm

i never new that you learn something every day

on the side it says

dn15
1/2
pn30

so id imagen its rated to 30 bar ?

i also make sure the joint is on the side not holding pressure
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Unread postAuthor: Biopyro » Sat Jan 17, 2009 5:43 pm

Yes it is maggotman. Sorry gunner, I just flicked over and thought ALIHISGREAT was the original poster
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