Katup penyearah Tipe Pengangkatan piston

Check valves

Opening and closing pieces by medium flow and strength of its own open or closed, to prevent flow reversal valve is called check valves. Check valves are automatic valves, mainly for one-way media flow tube sleep, only allowing media to flow in one direction, to prevent accidents.

Check valves according to the division of the structure can be divided into a lift check valve, swing check valve and butterfly valve three. Lift check valve can be divided into vertical and horizontal. Swing check valve into a unicuspid type, and Orange Peel three kinds of double valve. Butterfly valve for straight-through, more than several check valves in the form of connection can be divided into the threaded connection, flanged and welded three kinds.