1/2" Threaded PVC Utility Ball Valve: An economical, quarter-turn shut off valve designed for pool and spa applications. Safe-T-Shear® Stem helps prevent fluid line from leaking out in the event of ball valve stem damage. Engineered for high strength, the stem incorporates a special shear point to control accidental breakage. Over torquing breaks occur above the stem o-ring leaving the seal intact until repair or replacement can be made. PP handle. 150 psi pressure rating @ 73°F. PTFE HDPE ball seats. EPDM o-ring seals.