« Reply #5 on: April 08, 2010, 05:42:03 AM »
I don't think it is a good idea to try to fill a scuba tank yourself since the equiptment to do so is a lot more money than you would want to spend it's a lot cheaper to just go to your local dive shop it cost from 4 bucks to about 6 bucks for a fill and you can buy a fill card like 12 fills for a lower price than buying the fills each time you need them, Now as fat as testing tanks Luxfer co. has had a recall for all aluminum tanks they made before 1998 their was a alloy problem the other company's didn't have any problems, A scuba tank has to be checked every year it is called a VIS. you get a sticker on the tank good for 1 year. it is a inspection for cracks runt in the tank ect. the other inspection is called a hydro it has to be done every 5 years it is a pressure safety test to see if the tank is safe to fill will it hold the pressure or could it blow up you don't want to be any near a tank if it lets go a lot of people have been killed this way , The way it works is they fill the scuba tank with water ( the reason it's called a hydro ) and 8/ 5ths of the working pressure is put on the tank ( water will crack the tank if their is a week spot not let it explode like air would ) the amount of stretch is measured and if the tank does not come back to the original size or with in the allowed spects. it is failed and no one anywhere will fill your tank the hydro date of the inspection is stamped into the top metal of the tank along with the number of the testing facility howie PS I hold a master diver cert.
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Howie1a
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