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Anyone understand pneumatic valve symbols?

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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Anyone understand pneumatic valve symbols?

Unread postAuthor: AlfiePB IanB » Mon May 16, 2016 1:15 am

If so please could you tell me if this is a normally open valve? A member previously supplied me with this diagram, but the diagram on the valve picture looks slightly different, so just want to make sure. I am wwanting to use it as a fill/pilot valve on a qev gun

Thanks Ian
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AlfiePB IanB
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Re: Anyone understand pneumatic valve symbols?

Unread postAuthor: mrfoo » Mon May 16, 2016 3:13 am

To me, it looks more like your "normally closed, spring offset solenoid operated 3 way" diagram reversed left to right. That said, the photo is small and blurry and my eyes are old and weak.
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Re: Anyone understand pneumatic valve symbols?

Unread postAuthor: matti » Mon May 16, 2016 6:18 am

I'm quite sure it's NC.. you might be able to reverse it to NO :wink:
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Re: Anyone understand pneumatic valve symbols?

Unread postAuthor: AlfiePB IanB » Mon May 16, 2016 11:06 am

Sorry photo is from ebay.
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Re: Anyone understand pneumatic valve symbols?

Unread postAuthor: matti » Mon May 16, 2016 12:30 pm

AlfiePB IanB wrote:Sorry photo is from ebay.


if you haven't bought one, you should keep looking for normally open valve. Sometimes you can modify them to NC or NO, but not always..
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Re: Anyone understand pneumatic valve symbols?

Unread postAuthor: AlfiePB IanB » Mon May 16, 2016 9:56 pm

No I haven't bought one, just saw it on ebay and its a good brand and cheap, thanks for everyone's advice
I am tempted to get a clippard just worried the flow maybe to low.
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