stand for PolyVinyl Chloride valve. Just like its metal counterpart, it has an integrated rotatable ball. When rotating the handle, the bore will be perpendicular to the pipe, initiating a flow. Closing the handle will block the passage. The simplicity yet efficiency of a PVC ball valve's operation and function makes it widely used. However, PVC valves are suitable for low pressures and temperatures. Find the best PVC valve for your application at MRO Supply. Our PVC valves follow and meet the industry standard, ensuring reliability and durability. Check out our valves below. Order your PVC valve today.