Captive air tank

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Dorothy

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I have a new-looking 90-gallon captive air tank that I used for only a month way back in 1982. It has been stored since then (filled with water) , but now I'd like to put it back into service. New ones are EXPENSIVE! Any chance it's still good? How would I test it before hooking it up to my new system? Do the bladders last that long before deteriorating? If it's not good , can I replace the bladder? Or is it just not worth it? I'd appreciate any one of my questions answered by someone in the know. Thanks! Dorothy
 

Valveman

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Most likely it is better than anything you can purchase today. Just air up the bladder to 40 PSI. If it still has the same pressure in a couple of days, it will probably be fine. However, now there are things like a Cycle Stop Valve which will let you use a 4.4 gallon tank and do a better job than a big tank.
 
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