An isometric plumbing detail features a double water pressure reducing valve station with parallel pressure reducing valves with integral strainers. PRV-1 is set at a maximum of 80 PSI and PRV-2 is set at a maximum of 70 PSI, each flanked by typical ball valves and unions for isolation and maintenance. Typical 0-160 PSI pressure gauges are installed downstream of the valves to monitor line pressure. A capped hose end drain valve with a vacuum breaker is provided at the low point. Piping continues to plan views at both the inlet and outlet risers, and the station requires installation in a location with a floor drain or sink with access provided by the general contractor.
(2012) BALL VALVE 0-160 PSI PRESSURE GAUGE (TYPICAL) SEE PLAN VIEWS FOR CONTINUATION OF PIPING PRV-2 WATTS #. PRV WITH INTEGRAL STRAINER SET AT MAXIMUM 70 PSI BALL VALVE BALL VALVE SEE PLAN VIEWS FOR CONTINUATION OF PIPING UNION (TYPICAL) PRV-1 WATTS # . PRV WITH INTEGRAL STRAINER SET AT MAXIMUM 80 PSI BALL VALVE (TYPICAL) CAPPED HOSE END DRAIN VALVE WITH VACUUM BREAKER DOUBLE WATER PRV STATION DETAIL K ACCESS TO PRV STATION BY GENERAL CONTRACTOR. INSTALL IN LOCATION WITH FLOOR DRAIN OR SINK.
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