This domestic cold water pressure reducing valve assembly features a split piping arrangement with low flow and high flow pressure reducing valves. Each PRV line is isolated by ball valves and includes pipe unions for maintenance alongside flanged connections. Pete's plugs are installed for system pressure testing and temperature monitoring. The configuration applies to domestic cold water PRVs designated 5-1 and 11-1.
BALL VALVE UNION (IF NOT FLANGED) PETE'S PLUG PRESSURE REDUCING VALVE V-2 LOW FLOW HIGH FLOW PRV PRV X-1 V1 V2 PRV X DCW APPLIES TO PRV'S: 5-1 11-1
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