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MetalRocks
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I am investigating the cause for malfunction of a solenoid water inlet valve (when de-energized, the valve fails to close and instead exhibits cyclic surging of water flow). 4 of the 6 bleed holes are blocked with debris, and I have concluded that this is what caused the valve to malfunction However, I need to describe what exactly happens within the valve & diaphragm when bleed holes are blocked.