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which valve is the best

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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Unread postAuthor: noname » Wed Feb 14, 2007 11:55 pm

Any size works, if your piston is pretty solid, get the most flexible type of rubber you can, so it has a better chance of getting into all the little scratches and gouges on the piston seat. There will be scratches and gouges on the piston seat, unless you glue a coupler onto the sealing face, so no one say there won't be.
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Unread postAuthor: chaos » Thu Feb 15, 2007 3:13 pm

trae08 wrote:for a barrel sealing t valve whats the best thickness of rubber for the diaphragm?


I used 3mm for the barrel side and 2mm trigger side unfortunately there was an accident i ended up with a broken finger and a marble in my right hand dont mess with compressed air man take every safety procedure you can.

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Unread postAuthor: trae08 » Thu Feb 15, 2007 3:42 pm

just for my own safty how did that happen?
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Unread postAuthor: chaos » Thu Feb 15, 2007 4:53 pm

i was lifting it out of the vice and had my hand near the end checking if it was leaking then as i turned to walk out the door the blowgun trigger got hooked and bang the marble was lodged in my hand i got my dad to squeeze it out, it popped out about 6 inches in the air and he cought it lol anyways im putting a safety on it a pin or switch hopefully no1 else will have this happen to them.

safety first
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