Valves provide quick quarter turn shut-off and eliminate the need for unions. Allows for easy valve body removal from a piping system without disturbing pipe connections. Seal retainer incorporates a fine pitch thread for accurate seat adjustment. Reversible PTFE seats,should they become worn or scored, simply remove, turn over and reinstall. *1/2" thru 2" are supplied with both socket and threaded end connectors. Rated to 235 PSI at 70°F. water. Double o-ring stem seal for twice the leakage protection. Full port design. Operating temps - PVC 140° F.