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Advantages and disadvantages of check valves

Writer:CondiDate:2017-2-24 10:49
A valve check valve that opens or closes itself to prevent media from flowing back. Check valve is an automatic valve class, mainly for the media one-way flow tube sleep, only to allow the media to flow in one direction to prevent accidents.
      Check valve by structure, can be divided into lift check valve, swivel check valve and butterfly check valve three. Lifting only
The return valve can be divided into vertical and horizontal. Swing check valve is divided into single-valve, double-valve and multi-valve type three. Butterfly check valve for the straight-through, more than a few check valves in the form of connection can be divided into threaded connection, flange connection and welding three.
Check the installation of the check valve should pay attention to the following things:
Do not allow the check valve to withstand the weight in the pipeline. The large check valve should be supported independently so that it is not affected by the pressure generated by the piping system.
      Note the direction of the media flow should be consistent with the direction of the arrows of the valve body.
      Lifting vertical flap check valve should be installed on vertical pipe.
      The lift type flap check valve should be installed on a horizontal pipe.

TypeInfo: Technical Articles

Keywords for the information:Check valve  valve  check valve shortcomings advantages