Spears 2329-012 PVC Schedule 80 True Union Ball Valves True Union ball valve Regular style PVC; socket and threaded ends; EPDM Size: 1-1/4-inch Schedule 80 PVCs are thicker, stronger, will handle higher pressures, and endure colder climates than Schedule 40 PVCs Schedule 80 PVCs: not for Compressed Air or Gas; conforms to ASTM D 1785; fittings conform to ASTM D 2467; threaded fittings conform to ASTM D 2464