Plumbing · M-YKTBZ

Pressure Reducing Valve Station Piping Detail

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The plumbing assembly connects to a 3-inch city main entering through a floor sleeve and a concrete thrust block. A shut-off valve, strainer, and pressure gauge with gauge cock are installed on the incoming line prior to splitting into parallel pressure reducing valve lines sized at 1 inch and 2.5 inches with Watts LF223S models and union fittings. The lines recombine into a 3-inch pipe incorporating a reduced pressure principle backflow preventer model Watts LF909QT, additional pressure gauges, and a hose bibb before feeding into the building. A scheduled table outlines the plan codes, sizes, flow rates in gallons per minute, pressure fall-off values, pressure settings in psig, and manufacturer model numbers.

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