Plumbing · A-PBZ8Q

Typical Drip Layout

Materials

Elements

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The system features a polyvinyl chloride mainline connected through a drip valve, filter, and pressure regulator to a three-quarter-inch polyvinyl chloride lateral pipe. A half-inch polyethylene or polyvinyl chloride header distributes flow to typical drip lines with emitter spacing as noted. Compression fittings and female pipe thread adapters join the polyethylene or polyvinyl chloride lines. Tie-down stakes are installed at all tees and elbows, spaced four feet on center at clay, three feet on center at loam, or two feet on center at sand. Offsets are maintained at two inches from hardscape and four inches from planted areas. Air relief valves are positioned at high points, and flush valves or caps are placed at low ends. Sloped conditions require air relief valves at the highest point, with specific spacing adjustments on upper and lower slopes and separate zoning when elevation changes reach ten feet or more.

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