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THE FUNCTION OF THE QUICK RELEASE VALVE IS TO SPEED UP THE EXHAUST OF AIR FROM THE AIR CHAMBERS. IT IS MOUNTED CLOSE TO THE CHAMBERS IT SERVES. IN ITS STANDARD CONFIGURATION THE VALVE IS DESIGNED TO DELIVER WITHIN 1 PSI OF CONTROL PRESSURE TO THE CONTROLLED DEVICE; HOWEVER, FOR SPECIAL APPLICATIONS THE VALVE IS AVAILABLE WITH GREATER DIFFERENTIAL OR ZERO HYSTERESIS.
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