Re: Air compressor fittings
So you have never taken one apart? You know that that stuff inside there was put in there some how. I agree that most people just replace them for a few dollars but a repair gasket is only a few cents and if you simply flip the gasket over and use the side that is not worn then it is a free fix. If you have a shop with dozens of couplings it could add up over time. Besides some people prefer to fix rather than replace. The internals you speak of include a rubber gasket.
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