The National Diversified Sales GVP-1000-S is a 1" SCH 40 Gate Valve. NDS Gate Valves are constructed of PVC SCH 40, PVC SCH 80, or Acetyl material with ABS handles. The valves have no metallic parts and are perfect for any application where hard water deposits or corrosion over time is a concern. PVC Gate Valves are available in ½” through 2” sizes, in both socket and threaded configurations. Acetyl version of a gate valve can be used for many industrial/chemical applications. Features non-rising stems and a polypropylene wedge for smooth seal and long service.