The Type 546 ball valve, available in 2-1/2-, 3-, and 4-in. sizes, is suitable for industrial water treatment, wastewater technology, potable water treatment, chemical distribution, electroplating, and power plants. It's available in five materials: polypropylene, PVC, CPVC, ABS, and polyvinylidene fluoride. The valve's multifunction module allows the user to add different accessories, actuators, and switches. Features include stainless steel threaded inserts for easy mounting, a smooth ball surface that prevents formation of deposits, and a special backing seal that ensures tight sealing, even with water hammer.