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1" QEV?

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: ShowNoMercy » Wed Dec 19, 2007 2:34 pm

Cheaper on ebay, 28 shipped :wink:
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Unread postAuthor: ShowNoMercy » Wed Dec 19, 2007 7:08 pm

Sorry for the double post but I didn't want to start another topic being so similar. I ordered that 3/2 valve and hopefully it will be here by the weekend but it has two ports on the back. Does this mean I will need to block one off? Oh and can some one give me a quick run down on QEVs, I have never used one before and just wanna e sure that I am doing things right. Thanks
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Unread postAuthor: cwazy1 » Wed Dec 19, 2007 7:11 pm

qev is a diaphragm valve. thers a piece of hard rubber, or seom sort of piece of sealing face in there, it works like a sprinker. the pilot is where the two holes are at, stick a ball valve or seomthing there. the hole that is directly on the other side of the pilot holes is where your barrel should go, the hole on the botom, is where your pressure chamber is at.
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Unread postAuthor: ShowNoMercy » Wed Dec 19, 2007 7:50 pm

My last question, I promise at least for a while :wink:, is this. I am gonna have a 24 x 1.5 inch chamber into the QEV and then from the valve it goes down to a 3/4 CPVC barrel for paint balls. Efficient right? Anyway, I was wondering if anyone had some suggestions for something to bridge the gap between the barrel and chamber. I sleeved the 3/4 into some 1 inch for whatever thats worth but I think I need something else. idea's? :roll:
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