1040WS 4" Compact ball valve with socket ends. These compact ball valves are designed for a quarter turn, simple on/off application for a piping system. Compact ball valves are budget friendly and have some of the same characteristics of other valves. Compact ball valves can handle pressure up to 150 PSI and temperatures that can reach 140 degrees F. These valves come in white or gray in color to mate up to any schedule 40 or 80 piping system. These valves come standard with a PVC body, stem, and ball. The seals inside the valve are EPDM in material.