Plumbing · L-93ND6

PVC Mainline and Irrigation Valve Manifold Assembly

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An irrigation manifold assembly connects a PVC mainline to schedule 40 PVC lateral pipes via schedule 80 PVC tees or elbows. The system incorporates a line-size ball valve installed with schedule 80 threaded nipples, slip tees, nipples, and ells, enclosed within an eight-inch round valve box. Automatic valves are housed in rectangular valve boxes aligned with the manifold piping. The mainline continues below the manifold line, terminating with a quick coupler after the last valve. Clearances require twenty-four inches maximum and twelve inches minimum from the top of the valve box, with a six-inch minimum to the top of the valve box from paved surfaces, curbing, or fence lines.

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