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Sprinkler valve filling

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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Sprinkler valve filling

Unread postAuthor: Carlman » Tue Jul 08, 2008 3:51 am

could a large sprinkler valve be filled via pilot?

sorry if this is noobish but i have no reason to believe why it could not.

the reason is i want to pilot my 2" valve with my 3/8" QEV and the qev needs air from pilot to seal or i can try putting a spring in my qev...
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Unread postAuthor: CS » Tue Jul 08, 2008 3:59 am

The answer is yes. There is an equalization point on the diaphragm that allows air to pass through, however it typically has a small plastic filter in it. You might consider taking that guy out, all depends on how fast your compressor is delivering air.
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Unread postAuthor: Carlman » Tue Jul 08, 2008 4:23 am

nah mine has a guide rod so it leaks around that (which i removed at stuck and bent through hole)

cool thanks pimpmamm22, expect a shell action marble shotty :D
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