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Simple high flow regulator - will it work?

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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Simple high flow regulator - will it work?

Unread postAuthor: dongfang » Mon Sep 24, 2007 10:01 am


I am working on a cannon that needs a regulator from, say, 10 bar to 1-2 bar. It will recharge a firing chamber from a tank, and it should be fast and reasonably precise (but not more than just reasonably, +/- 1/3 bar or so....)

I have come up with the attached design. Has anybody tried something like it, and could not get it to work, pse tell me about it.. :lol:

PS: I know that its output pressure will vary somewhat with the HP (high pressure = tank pressure). Maybe there is an idea for a not too complicated regulator, where the pressure sense / spring part does not directly control the valve, but rather controls a ram (servo) that controls the valve? Or, does someone have an idea for a zero-force valve that still can close to a complete seal?

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