Re: bladder tanks
Posted by hj on August 29, 2002 at 08:47:32:
In response to Re: bladder tanks
In its uninstalled state, the bladder fills the tank. When pressure is introduced to the load side of the diaphragm it "folds" to accept it and compresses the air charge to the system's psi. As water is used and then the faucet is turned off, the rubber diaphragm flexes back and forth to maintain a constant stream/pressure. This back and forth movement, coupled with the diaphragm usually developing folds will eventuall cause the rubber to develop cracks and then the air can merge with the water until the precharge is gone.

: Why do bladder tanks fail. Recently I have found many that have lost their factory precharge pressure

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