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Homemade pressure regulator

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: psycix » Wed Nov 21, 2007 9:56 am

dongfangs valve is OPEN when too low presser and CLOSED when too high.
Your valve can be half open and "almost closed" wich gives another type of actuation.

dongfangs thing will actuate to the right pressure very quickly but it might overflow a small bit because of piston reaction time.

your valve wont have that since when the desired pressure is nearly reached, the valve closes more and more, giving only a LITTLE flow wich makes the last part of the pressure regulation very slow.
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Unread postAuthor: Gunner » Wed Nov 21, 2007 1:16 pm

OK...I think that dongfangs valve seems to be better :wink: .
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Unread postAuthor: psycix » Wed Nov 21, 2007 5:07 pm

Well, actually the other valve MIGHT be more accurate if its constructed very well and applied on a small chamber.
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