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Old 08-04-2018, 07:56 AM
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Walker Walker is offline
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Join Date: Aug 2004
Location: Cave Creek AZ
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Best thing would be to inspect it. My big compressors have 2" weld-o-lets on them, so inspecting the inside is easy. You might need to get creative and use a bore scope type camera. In my experience the tanks suffer one of two maladies. Either they rust out on the bottom, or the get fatigue cracks at the points where the brackets are welded to the tank.

Even better would be to remove the components fill it with water and pressure test it at the original 400 psi.
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