• H42
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  • H42 Flange Silencing Check Valve

    ※ Product Overview

    Check valve refers to the valve that automatically opens and closes the disc depending on the flow of the medium itself to prevent medium backflow, also known as check valve, one-way valve, counterflow valve, or back pressure valve. Check valve is an automatic valve. Its main function is to prevent medium backflow, reverse pump and drive motor, and release of container medium. Check valves can be divided into swing check valves (rotating according to the center of gravity) and lift check valves (moving along the axis). By choosing different structural forms and materials, it can be widely used in water, steam, oil, acid, alkali and other media.

※ Product Details

Check valve refers to the valve that automatically opens and closes the disc depending on the flow of the medium itself to prevent medium backflow, also known as check valve, one-way valve, counterflow valve, or back pressure valve. Check valve is an automatic valve. Its main function is to prevent medium backflow, reverse pump and drive motor, and release of container medium. Check valves can be divided into swing check valves (rotating according to the center of gravity) and lift check valves (moving along the axis). By choosing different structural forms and materials, it can be widely used in water, steam, oil, acid, alkali and other media.


Product characteristics

The silent check valve is mainly composed of body, seat, fluid guide, disc, bearing and spring. The inner runner is streamlined design with minimal pressure loss. The valve disc has a short opening and closing journey, and can be closed quickly when the pump is stopped to prevent the huge sound of water hammer. It has the characteristics of silent closing. The valve is mainly used in water supply and drainage, fire protection, heating and ventilation systems. It can be installed at the outlet of the pump to prevent backflow and water hammer damage to the pump.