Plumbing · P-8HVW2

PRV Station Plumbing Schedule and Piping Diagram

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A pressure reducing valve station connects to a 3-inch city main through a reinforced concrete floor sleeve with all-thread connections to a concrete thrust block. The system incorporates shutoff valves, typical strainers, unions, pressure gauges with gauge cocks, and parallel pressure reducing valve lines configured with Watts LF223S valves. A 3-inch reduced pressure backflow preventer assembly utilizing a Watts LF909QT model handles downstream flow, terminating with a hose bibb and building supply lines. The accompanying schedule details plan codes, sizes ranging from 1 inch to 3 inches, flow rates up to 80 GPM, pressure fall-offs, pressure settings from 55 to 70 PSIG, and an incoming city pressure of 85 PSIG.

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