CHUANGXING VALVE is a professional Cast steel swing check valve company with productive factory, we are the best check valve, stop valve, rebound valve, one way valve, holding valve, inverted valve, retaining valve, retention valve, return flow prevention valve manufacturer and exporter from China. Cast Steel Check Valves are used to prevent the back flow of fluid by closing before flow reversal, thereby preventing slam and water hammer.Chuangxing Cast Steel Check Valves have been successfully installed in clean and dirty applications including petrochemical, water treatment, industrial water and waste water services.