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QEV'S

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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QEV'S

Unread postAuthor: Fexo180 » Thu Oct 27, 2011 5:22 am

Will this QEV do the job? :twisted:

http://www.smcaus.com.au/files/products ... 073__1.pdf

I have the SMC AQ3000-03.. all 3/8 threads.
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Unread postAuthor: Crna Legija » Thu Oct 27, 2011 6:19 am

It sure can't do my job :D
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Unread postAuthor: mattyzip77 » Thu Oct 27, 2011 9:27 am

Job for what??? Also, check out E Bay under diaphragm valves. I have gotten about 8 qev's from there in the past month all of them for about 60 dollars shipped!!
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Unread postAuthor: Fexo180 » Thu Oct 27, 2011 10:07 am

Sry...building a backyard plinker...with power.
I bought the AQ3000 qev from a local pnu. specialist for $60au
I am not sure what sort of output pressures i am going to get from this unit, fingers crossed a chitload!l but i have various choices for barrels.. from AA battery, multiple ball bearing sizes plus an old .177 air rifle barrel. So it depends on the output to what size i will use.
And a Question on the plumbing... Generally the chamber port will be marked as "Out", the pilot port will be marked as "In", and the barrel port will be marked as "Exh" or "Exhaust" or something similar.

is this correct ?
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Unread postAuthor: mattyzip77 » Thu Oct 27, 2011 11:21 am

Yes, the top of the valve is your pilot, the bottom is your barrel, and the side is for your chamber. In my opinion, you paid too much, but oh well. You should get decent results as long as you keep your ammo the same size or smaller than your port. Good luck!! :)
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Re: QEV'S

Unread postAuthor: jrrdw » Thu Oct 27, 2011 3:28 pm

Fexo180 wrote:Will this QEV do the job? :twisted:

http://www.smcaus.com.au/files/products ... 073__1.pdf

I have the SMC AQ3000-03.. all 3/8 threads.


"Excellent exhaust characteristics
Large flow capacity"

The flyer says so...
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Unread postAuthor: Fexo180 » Thu Oct 27, 2011 9:33 pm

mattyzip77 wrote:Yes, the top of the valve is your pilot, the bottom is your barrel, and the side is for your chamber. In my opinion, you paid too much, but oh well. You should get decent results as long as you keep your ammo the same size or smaller than your port. Good luck!! :)



THX matty!! My 'understanding' wife thought i paid to much for it aswell lol.. but i did ring 3 different suppliers with 2 very outrages prices for the same valve... $61, $111 & $156 !!! so i think i got a bargain at $61..LOL
I need to get some more brass fittings today and a shop gun.

One the filling/piloting side of the qev would it be ok to downsize it to 1/4
instead of 3/8 to shrink it a little?
but still run the same tooling.?.
e.g.... male quick connect/ball valve/t piece into qev.. off the bottom of T piece run the shop gun or eventually a push button or toggle pilot.

Pics to come over the weekend.
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Unread postAuthor: MrCrowley » Thu Oct 27, 2011 9:43 pm

One the filling/piloting side of the qev would it be ok to downsize it to 1/4
instead of 3/8 to shrink it a little?
but still run the same tooling.?.
e.g.... male quick connect/ball valve/t piece into qev.. off the bottom of T piece run the shop gun or eventually a push button or toggle pilot.

Yeah that should be fine
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Unread postAuthor: mattyzip77 » Thu Oct 27, 2011 10:18 pm

Like crowley said yea. Get a adapter down to a quarter of a inch, add a ball valve and a male quick connect and your good to go. You can fire it using the ball valve. If you want a diff set up just ask and someone should help u out. I paid too much for my first valve too thats why I always tell members to check e bay. Peace!!!!
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 27, 2011 11:09 pm

Fexo180 wrote:My 'understanding' wife thought i paid to much for it aswell


I'm not in the habit of agreeing with women but she has a point.
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Unread postAuthor: Crna Legija » Fri Oct 28, 2011 12:18 am

Fexo180 wrote:I am not sure what sort of output pressures i am going to get from this unit, fingers crossed a chitload!l


same is the input pressure lol its just a release valve not a pressure booster
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Unread postAuthor: POLAND_SPUD » Fri Oct 28, 2011 12:34 am

I'm not in the habit of agreeing with women but she has a point
Bake a cake and let her buy pneumatic stuff for you :D
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Unread postAuthor: jackssmirkingrevenge » Fri Oct 28, 2011 12:38 am

That's harsh :D
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Unread postAuthor: Fexo180 » Fri Oct 28, 2011 1:01 am

POLAND_SPUD wrote:
I'm not in the habit of agreeing with women but she has a point
Bake a cake and let her buy pneumatic stuff for you :D


HAHAHA that's Gold!!

My wife IS my sugar mama 8)

Got all my brass bits, just need to sort out a chamber vessel then slap this puppy together.
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Unread postAuthor: mattyzip77 » Fri Oct 28, 2011 10:47 am

Sugar Mamas are cool!! Let us know how you make out!! 8) 8) 8)
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