A new line of pressure distribution valves and valve-assembly packages made by Quanics Inc. offers an easier, more cost-effective way to alternately dose from two to six zones in applications that rely on mound, sand filter and advanced treatment-module dosing systems.The 4000 and 6000 Series of distribution valve packages can alternately distribute effluent to between two to six zones. The 4000 includes a 26-inch-diameter, 12-inch-tall watertight, polyethylene basin with a lid; the 6000 measures 26 inches in diameter and 18 inches tall. The basin is installed with the lid at grade. The 4000 valve bodies are made of ABS polymer;
