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a question about ordering a qev

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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a question about ordering a qev

Unread postAuthor: A-98 » Tue Dec 05, 2006 11:06 pm

ok, i am on this site, http://www.airlines-pneumatics.co.uk/we ... de=S070139 and i was wondering when it says 1+ to order does that mean that each one is 15.12 or does that mean the 3 of them, total, are 15.12.
also given that i am an american is the 3/4 bmp going to fit a 3/4 thread over here?

also on the same site how do these things work. as in how do you connect them. http://www.airlines-pneumatics.co.uk/we ... de=S070109. and how long are they.

also, do they even ship to the us?
thanks
bryce
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Unread postAuthor: joannaardway » Wed Dec 06, 2006 4:23 am

BSP is not the same as NPT. You can get convertors though.

When it says 1+ - it means that each one is £15.12, but when you are ordering 5 or more, then you get a discount on all of them - if you order 10 or more, you get even more discount.

Your second link doesn't actually appear to be correct... It links to a half blank page.

In all honesty, I'd suggest ordering from a US site, such as McMaster. Even if they do ship to the US, the cost would be extortionate.
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Unread postAuthor: A-98 » Wed Dec 06, 2006 9:46 pm

ya, i looked in a place that i didnt on the site and found out that stuff, however i would still need a qev, and i dont see any on mcmaster, so if anyone has a link to a good, not too expensive, 3/4-1" qev, it would be greatly appreciated.

also, does anyone know the rough size of a qev, as in is the widest point less than 3".
and another question, does a qev have to have the 3 parts going to the chamber, the barrel and the exhaust/shrader? cause i need to be able to fill it from the end of the chamber. in case your wondering im planning on making an at4 type design, and i need the chamber and barrel in line, and the exhaust coming out in a third direction. i would normaly use a sprinkler valve for this, but im afraid it will be too big.

thanks alot,
bryce
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Unread postAuthor: joannaardway » Thu Dec 07, 2006 5:00 am

There are QEVs on McMaster. I don't personally know the product code to find them, but hopefully someone can be helpful and supply it.

The widest part of a QEV will be much less than 3".

With most QEVs, the fill has to be done from the pilot volume. Some rare ones do allow chamber filling, but most unfortunately don't.
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Unread postAuthor: LucyInTheSky » Thu Dec 07, 2006 11:01 am

913 is the mcmaster code at the bottom of the page.
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