Sanco Valves Pvt. Ltd. Offers Swing Check Valve with Anti-rotation Disc. Sanco Valves Pvt. Ltd. Supplies industrial valves. Swing Check Valve with Anti-rotation Disc has the standard joint which is a circular male and female configuration with a corrugated metal gasket. The male and female joint of Swing Check Valve with Anti-rotation Disc confines the gasket O.D and I.D. When specified, gaskets of other materials are available as an option. These swing check valves are used to prevent flow reversal in piping systems. It is available in class 150.