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WHAT IS THE PURPOSE OF A CONTROL VALVE ✔✔CONTROL FLOW TO THE WATER BASED SYSTEM THE GAUGE ON THE QUICK OPENING DEVICE SHALL INDICATE "BLANK" AS COMPARED TO THE GAUGE ON THE SYSTEM SIDE OF THE DRY PIPE VALVE? ✔✔PLUS OR MINUS 10PSI EITHER WAY WHAT TYPE OF TEST SHALL BE PROVIDED WHEN A VALVE IS RETURNED TO SERVICE TO DETERMINE THAT THE VALVE IS OPEN? ✔✔DRAIN TEST WHAT IS A FIRE SERVICE MAIN? ✔✔A PIPE AND ITS APPURTENANCES ON PRIVATE PROPERTY, & PIPE BETWEEN A SOURCE OF WATER AND THE BASE OF THE SYSTEM RISER
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