The Wafer Check Valve is a manual valve designed for industrial usage, particularly for water applications. The valve is made of cast iron and comes in a round shape with a polished surface. It is available in sizes ranging from 15MM to 1050 MM, making it suitable for various applications. The valve's main function is to prevent backflow and ensure the flow of fluid in one direction. The Wafer Check Valve is an essential component in pipelines and systems where the flow of water or other fluids needs to be regulated and controlled.