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Co2 fill station problems

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    Posted: 19 March 2005 at 1:04pm
   I fill my own tanks using a 20 lb. bulk Co2 tank. For the past few days it has not been properly filling tanks. I have tried filling 3 or 4 different tanks and they have all filled only to roughly 4 oz. I have tried freezing the small tanks, but it didn't cure the problem. I am convinced that the problem is in neither the bulk tank nor the weight scale I am using. Has anybody had a similar problem? Any advice would be greatly appreciated.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Spykill Quote  Post ReplyReply Direct Link To This Post Posted: 19 March 2005 at 6:43pm
Can't you just keep putting air in them?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote supergman Quote  Post ReplyReply Direct Link To This Post Posted: 19 March 2005 at 7:22pm
No, it seems that the pressure in the bulk tank equilizes with the pressure in the small tank, and when that happens, there is only 4 oz. in it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote triggerhappy1 Quote  Post ReplyReply Direct Link To This Post Posted: 20 March 2005 at 12:05pm
Are you sure your bulk tank is siphoned? If its not you would just be putting mostly pressure, but some liquid in there. And you must chill your tanks first or the liquid your putting in will turn to gas and the pressure is too great for more liquid to go in. But Im sure you know that, and you said you froze the tank first. I think its stamped somewhere on the tank whether its siphoned or not. Contact the place you got it and youll find out.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote supergman Quote  Post ReplyReply Direct Link To This Post Posted: 20 March 2005 at 12:52pm
Yes, the top of the bulk tank is painted red, which signifies that there is a siphon tube in the tank. "Siphon" is also printed on the tank.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ac600ccer Quote  Post ReplyReply Direct Link To This Post Posted: 20 March 2005 at 8:02pm
sounds like your 20 lbs tank is too low on psi to fill a tank. I rent a 50 lb cyclindar and I only get to use about 30 lbs of gas,acording to the weight.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shadowminion Quote  Post ReplyReply Direct Link To This Post Posted: 20 March 2005 at 9:35pm
CO2 pressure will equalize according the the ambient temperatures , it is a cyrogenic liquid ,maybe the siphon tube is short,,,,? Or you are about out of liquid,,

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Post Options Post Options   Thanks (0) Thanks(0)   Quote clownshooter Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2005 at 9:10am
Usually you will not get the full rated weight of the tank in fills. I use 50 pound bulk tanks, but never get 50 pounds of liquid CO2. Once the tank gets low, it starts giving short fills and I have to replace it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rmorey Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2005 at 4:29pm

Are you sure you're not out of co2?  It sure sounds like you're almost out.  From my experience, I only get about 16 lbs out of a 20 lb tank (I keep very good track of this).

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Post Options Post Options   Thanks (0) Thanks(0)   Quote supergman Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2005 at 4:43pm
I just had my bulk tank filled and I only got 7 lbs out of the last fill.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rmorey Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2005 at 4:46pm
Ok, how about a siphon tube problem... I understand that it's marked "siphon", but something may be wrong with tube.  Try to invert the bulk tank and see if it works.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote supergman Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2005 at 9:23pm
Thanks for all your assistance and advice. But after some experimenting, my father and I have determined that the bulk tank's location was too cold and we have just moved it to a warmer climate. Thanks again.
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