Argon usage

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Well my cylinder is 80 CF, seems to be going fast. Last week I got a new one and I swear the gauge said 1,800 PSI. Then 4 days later I went to use it and it was down to 1,600. My buddy said it was because of the temperature. So I welded 8 hrs on Fri, 4 hours on Sat, and 4 hours today. The gauge is showing barely 200 PSI. The outside temps have been about the same, no drastic changes.I have checked for leaks with soapy water, no leaks. I am using 75/25 with my pressure set at 30 psi. Is this normal usage? I thought it would last months. If this is normal I guess I'd better get a spare!
Reply:Anything over 15 is a waste.....zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:80cf/ 30 CubicFeet per Hour = 2.66 Hours of gas/arc time8 hrs welding/work4 and4Probably adds up to just about 2.66 hrs of actual gas/ Arc timeIf you are inside you can drop the rate down to 15CFH but if you are working that much an 80CF Tank is too small- as you have noticed.Ed Conleyhttp://www.screamingbroccoli.com/MM252MM211 (Sold)Passport Plus & Spool gunLincoln SP135 Plus- (Gone to a good home)Klutch 120v Plasma cutterSO 2020 benderBeer in the fridge
Reply:Originally Posted by Broccoli180cf/ 30 CubicFeet per Hour = 2.66 Hours of gas/arc time8 hrs welding/work4 and4Probably adds up to just about 2.66 hrs of actual gas/ Arc timeIf you are inside you can drop the rate down to 15CFH but if you are working that much an 80CF Tank is too small- as you have noticed.
Reply:Originally Posted by bigbThanks Broccoli, you made it clear. I wasn't thinking of usage in CFM doh. For some reason I was thinking the flow was in PSI.I am going to get a 40 just for backup, I don't have a lot of room for storage. That was a lot of welding for me, I won't be doing that much on a regular basis, I just don't have the time! I want a back up though, seems it likes to run out on Sundays.
Reply:Originally Posted by Rojodiablo.......the service fee is more about hooking up the bottle to fill it rather than the volume of gas...it's far more economical to grab the biggest bottle you can possibly move by yourself.
Reply:125's and 150's are great if you have to move them around alot (mobile use).  They don't weigh much more than 80's and same diameter, just taller. If I had more vertical height available on my truck for storing bottles, I'd run with 150's, but 80 is the tallest size I can keep on the truck on a permanent basis.   250's and 330's are good for shop-only use where they will stay on a cart, or attatched to the wall.Last edited by DesertRider33; 01-18-2010 at 07:29 PM.MM350P/Python/Q300MM175/Q300DialarcHFHTP MIG200PowCon300SMHypertherm380ThermalArc185Purox oaF350CrewCab4x4LoadNGo utilitybedBobcat250XMT304/Optima/SpoolmaticSuitcase12RC/Q300Suitcase8RC/Q400Passport/Q300Smith op