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What type of valve connection is on my CO2 tank

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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What type of valve connection is on my CO2 tank

Unread postAuthor: Technobob » Wed Apr 18, 2007 10:42 pm

I'm new to pneumatics so I don't know all the different connections can someone tell me what this connection is called.
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Unread postAuthor: frankrede » Wed Apr 18, 2007 11:07 pm

I have never seen anything like that, do you have anymore pics or info?
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Unread postAuthor: Technobob » Wed Apr 18, 2007 11:38 pm

I got this tank from work, they were going to toss it out because no company laid claim to it after the plant closed down. So I grabbed it for free and it's almost full.

The reason I asked is my boss gave me a Argon regulator (again for free), he said it will work with CO2 but the connection is the wrong type.
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Unread postAuthor: cdheller » Thu Apr 19, 2007 1:35 am

If my memory is right it's a 1/2 in pipe thread that is not tapered.
It seals on a gasket in between the gauge connection and the bottle.

a welding supply store should be able to change your gauge inlet fitting( fairly cheaply (not for free though)
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Unread postAuthor: TwitchTheAussie » Thu Apr 19, 2007 1:41 am

There goes the idea of a completely free cannon.
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Unread postAuthor: From_Hamsterdam » Thu Apr 19, 2007 2:23 am

Is the hole in the middle also threaded?
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Unread postAuthor: Technobob » Thu Apr 19, 2007 3:39 am

@cdheller

The connection measures 3/4 of an inch

@From_Hamsterdam

Yes it's threaded in the center and it's 1/4 of an inch

@TwitchTheAussie

Ya I was so close to a free cannon :( I managed to get most of it from work, here is what I received for free so far and no I did not steal any of it.

2x3" SCH80 90º Elbows
6 Feet of 4" SCH80 pipe
3 Feet of 3" SCH80
6 Feet of 2" SCH80
1 10 foot coiled air hose
1 20lb CO2 Tank
1 Argon regulator
1 Asco Red Hat 2" piston valve with a rebuild kit
1 Blow Gun
1 Pressure gauge
and finally all the air connections I needed

Just a few more to be had and I'm ready to fire me some potatoes :lol:
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Unread postAuthor: chaos » Thu Apr 19, 2007 3:59 am

ya wanna post some pics of all that so i may stare at my screen for a few minutes?lol
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Unread postAuthor: Technobob » Thu Apr 19, 2007 4:48 am

chaos wrote:ya wanna post some pics of all that so i may stare at my screen for a few minutes?lol


Here is a pic for ya the piping and air hose is still in my office at work.

When I was getting this stuff out for the pic I had forgot I also have some parts for more cannons that I also got for free (I really love my boss really great guy). After all the big daddy cannon is going to need a wife and kid :)
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Unread postAuthor: chaos » Thu Apr 19, 2007 4:58 am

hmmm i being a welder myself suspect that the regulator for "argon" will not work for you.

argon regulators usually regulate lpm (liters per minute) not pressure (kpa, psi ect.

but damn nice valves n stuff u have there and u seem to have more than enough gauges also.

good score

peace
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Unread postAuthor: Technobob » Thu Apr 19, 2007 5:21 am

Can you tell anything from this photo? the valve has no info on it other than max inlet 3000psi
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Unread postAuthor: chaos » Thu Apr 19, 2007 5:38 am

yer it will work at 2500psi (maybe a bit higher) 3000psi is on the limit. i got two of these here at mi house one is on an argon bottle, these regulators only control flow, not pressure. soz but you might want to get a different regulator. HERE is a regulator for both CO2 and Argon but as i say again it only controls flow not pressure. your Regulator will display the correct pressure in the tank but will not give you any useful pressure for a pneumatic gun.

peace mate
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Unread postAuthor: From_Hamsterdam » Thu Apr 19, 2007 7:48 am

If it only controls flow you could make a super high powered vortex BB gun.
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Unread postAuthor: chaos » Thu Apr 19, 2007 9:06 am

From_Hamsterdam wrote:If it only controls flow you could make a super high powered vortex BB gun.


man if only that was true.... 30lpm is crap all (i could blow harder than that) nice idea though.
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Unread postAuthor: Technobob » Thu Apr 19, 2007 10:10 am

Well that sucks :(

Can you use a oxygen regulator with CO2? thats about all that is left at my work, they sold the welding department a couple of weeks ago.

Back on topic still looking to identify this valve on my CO2 tank
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