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Is it safe to use PVC parts with QEV's?

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Is it safe to use PVC parts with QEV's?

Unread postAuthor: Binary Blue » Fri Dec 21, 2012 10:22 pm

I recently bought this QEV.

http://www.ebay.com/itm/1-2-NPT-QUICK-E ... 27ce325f02

Is it safe to use PVC pipe and connectors with it? I only intend on working with pressures of a little over 100PSI at most.

Also on eBay, I saw some 1/4 in NPT threaded QEV's. Where can you even find pipes and connectors that small for them?
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Unread postAuthor: grumpyoldman » Fri Dec 21, 2012 10:34 pm

You should use steel (close) nipples to connect the QEV to the PVC fittings. Male PVC threads can crack and break too easily. Otherwise it should be okay. If I'm wrong, I'm sure someone will correct me.
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Unread postAuthor: Binary Blue » Fri Dec 21, 2012 10:39 pm

Thanks for the info.

So do you just screw one end of the nipple into a terminal of the QEV then screw in a female threaded PVC connector onto the threaded part of the nipple that is sticking out?
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Unread postAuthor: grumpyoldman » Fri Dec 21, 2012 11:23 pm

Binary Blue wrote:Thanks for the info.

So do you just screw one end of the nipple into a terminal of the QEV then screw in a female threaded PVC connector onto the threaded part of the nipple that is sticking out?


Yep, you got it. Also, be sure to use Teflon tape (plumbers tape) on all of your connections.
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Unread postAuthor: D_Hall » Sat Dec 22, 2012 1:43 am

Depends on who you talk to.

I - for one - maintain that PVC shouldn't be used for any part of your valving or reservoir on a pneumatic.
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