... themedium. Check Valve Series have many types, it includs swing check valve, lifting check valve, wafer check valve, pipeline check valve, and other check valves.Swing check valve is ... sealing is not as good as lifting check valve.Lifting check valve can only installed on horizontal pipeline. The ... be ANSI, BS, DIN, and GBWhen you choose check valve, please tell me medium, pressure, size, material, ...