​Single plate check valve is well known as wafer check valve, single disk check valve or swing check valve. Single plate check valve is designed for return flow prevention in pipeline installation. They are constructed to be mounted directly between flanges according to DIN, JIS or ANSI standards.
This valve is suitable for industrial employment in pipeline installation for transport of liquids and gaseous fluids. It would block fluids on one side of the pipe within allowable temperature and working pressure limits. They are not suitable to apply for medium with solid particles.