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Valve help needed

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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Valve help needed

Unread postAuthor: jsefcik » Wed Aug 19, 2015 11:32 pm

I recently purchase a 2.5 inch dust collector valve made by goyen , now i have 2 that are 1.5 inch that work perfeclty i hook up the my air hose, diaphram moves sealing off the barrel filling the chamber, as it should, now my 2.5 inch is the indentical setup but my problem is the diapram seals off the barrel but doesnt fill the chamber, as it should, does anybody know whats going on here? and what i may be doing wrong? i paid a good amount of money for the valve and i want to get my full usage out of it,


this is what it looks like there is a diaphram that seals off the barrel and a gasket that seals what im assuming to be the pilot like my other valve (1.5 inch ) only thing different about my smaller valve is there is two diaphrams that seal,


hoping somebody can help me here=)

https://www.google.com/search?q=dust+co ... GajyV8M%3A ( picture of the valve) it is moreless a huge qev
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Re: Valve help needed

Unread postAuthor: jrrdw » Thu Aug 20, 2015 6:27 am

Is the air going anywhere else?
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Re: Valve help needed

Unread postAuthor: jsefcik » Thu Aug 20, 2015 7:10 am

Nope doesnt go anywhere , its pissing me off cause i want this badboy to work like it should:( this is biggest cannon to date :(

Makes the diaphram seal thats its, now my on my 1.5 inch one it seals the barrel and fills the chamber as it should
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Re: Valve help needed

Unread postAuthor: Fnord » Thu Aug 20, 2015 10:34 am

In my 1.5" valve there's a small bleed hole in the diaphragm that lets air into the chamber. Maybe you have a bit of debris plugging it up?
You should take pictures of the internals if possible, just so we can rule out any defects.
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Re: Valve help needed

Unread postAuthor: jsefcik » Thu Aug 20, 2015 11:24 am

Nope nothing clogging it, ill try to post the pics , maybe its just the valve i orderd and its the wrong one idk yet ill post pics later
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Re: Valve help needed

Unread postAuthor: matti » Fri Aug 21, 2015 4:32 am

Maybe those big ones are filled from chamber side? Try that. I would think that filling large chamber would be too slow trough the small pilot in industrial uses.
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Re: Valve help needed

Unread postAuthor: jrrdw » Fri Aug 21, 2015 7:25 am

Post the data sheet or a direct link to the exact valve. I'm wanting to lean towards bigger valve different port configuration....Just a guess.
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Re: Valve help needed

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Re: Valve help needed

Unread postAuthor: jsefcik » Fri Aug 21, 2015 9:15 am

jrrdw wrote:Post the data sheet or a direct link to the exact valve. I'm wanting to lean towards bigger valve different port configuration....Just a guess.



I will when i get home, the internal of my 1.5 inch valve and 2.5 inch are indentical, only thing is the gaskets for the upper half are different one has just a circle gasket without the center (2.5 inch) ,the other one is a full circle (1.5 inch) , idk if it makes that much of a difference

matti wrote:Maybe those big ones are filled from chamber side? Try that. I would think that filling large chamber would be too slow trough the small pilot in industrial uses.



I did install a ball valve into the chamber but i dont think it is releasing quick enough as it should
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Re: Valve help needed

Unread postAuthor: matti » Sat Aug 22, 2015 7:57 am

I did install a ball valve into the chamber but i dont think it is releasing quick enough as it should


Whaaaat :lol: seriously I don't understand what you mean?

I did mean that you could try to fill from chamber side and pilot the valve like normal.. did you try that?
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Re: Valve help needed

Unread postAuthor: jsefcik » Sat Aug 22, 2015 5:22 pm

matti wrote:
I did install a ball valve into the chamber but i dont think it is releasing quick enough as it should


Whaaaat :lol: seriously I don't understand what you mean?

I did mean that you could try to fill from chamber side and pilot the valve like normal.. did you try that?



i did , it is releasing the air as it should but not super fast as i think it should , maybe its just me,,, im going to try it at a high psi and go from there
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