Our unit pump outlet check valve installed in the vertical pipe, the use of the valve to stop the valve is more serious impact, is not installed, the valve should be how to install it?
Check valve is to withstand the impact of water hammer, you installed no problem.
Check valves shall be installed on the vertical pipe. Select a model, such as a slow closing check valve (water hammer) or a spring check valve.
Installation method of pump outlet check valve:1, swing check valve is generally installed in the horizontal pipe: for caliber DN~80mm check valve, can also be installed in theVertical or upward sloping pipe.2, the straight through lift check valve should be installed on the horizontal pipe;3, vertical lift check valve must be installed on the vertical pipe, the medium for bottom-up flow.As the check valve is easy to damage, therefore, should be installed near the pump outlet valve, in the upper part of the check valve with a cut-off valve (general use of ball valve or gate valve), easy to overhaul. To facilitate the relief of the check valve before disassembly, the relief valve shall be installed between the check valve and the shut-off valve.