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Q: Can someone explain 3-way vs 4-way solenoids please

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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Q: Can someone explain 3-way vs 4-way solenoids please

Unread postAuthor: evilvet » Tue Jun 14, 2011 2:46 am

Poland / Technician, anyone.......... ?
:?

I am sketching up a standard barrel seal launcher and hope to use a single solenoid to do the inlet / fill and port.

Do I need a 3-way or a 4-way or what ?

TIA
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Unread postAuthor: jackssmirkingrevenge » Tue Jun 14, 2011 2:54 am

3 way valve.

one inlet from air source

two outlets - one to the pilot chamber (fill cycle), one to atmosphere (firing cycle)

That way the 3 way is either filling your chamber and blocking the exhaust, or exhausting while blocking the air feed.
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Unread postAuthor: evilvet » Tue Jun 14, 2011 4:47 pm

Thanks JSR, much appreciated
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Unread postAuthor: MrCrowley » Tue Jun 14, 2011 4:49 pm

Also, this is posted as a sticky in this forum section.
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Unread postAuthor: evilvet » Wed Jun 15, 2011 4:35 pm

posted as a sticky

Noted and duly chastened Mr Moderator, sir. :oops:
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