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solenoid valve applications

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: Angelica67 » Mon Feb 02, 2009 3:09 am

Thanks.
I read an article (from your website) discussing various mods to sprk valves. I wanted to find which mods are done on "modded" guns. I would rather just buy one and see it before I attempt doing it myself.
But are you saying that you only run a single line from a blowgun to just drop the pressure in the valve? I was envissioning two lines to apply pressure. So, any cheap valve that will release pressure from the valve will activate the valve, right?

Lastly, I found it before on your site but can't again. How do you stop that "honking" sound (like a goose) and rather loud when I shoot without doing major mods to my present valve?

Thanks!

MJR
:lol:
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Unread postAuthor: Ragnarok » Mon Feb 02, 2009 12:08 pm

amsicomputers wrote:But are you saying that you only run a single line from a blowgun to just drop the pressure in the valve? I was envissioning two lines to apply pressure. So, any cheap valve that will release pressure from the valve will activate the valve, right?

Yes, anything to vent pressure from the pilot volume will actuate the valve.
There are very few positive acting valves on this site - the only one that immediately comes to mind is the one on Solar's Eclipse launcher.

Most are negative acting - that is, they are triggered by venting pressure from an area rather than applying it.

Lastly, I found it before on your site but can't again. How do you stop that "honking" sound (like a goose) and rather loud when I shoot without doing major mods to my present valve?

The only solutions I know of are to put up with it, or pneumatically modify it - the honking sound is a side effect of the valve's pilot volume having not been completely evacuated.

However, sprinkler valves are not an area I have ever much delved into personally, so I may be forgetting something.
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