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Check valves
It is appropriate to install this sort of valves on pipelines with water, oil and steam to prevent the medium from flowing backwards. It can be used on pipelines of non-corrosive gas, liquid, or other mediums.
Check valve also called one-way valve or non-back valve, and it's used for prevent the media flew back in the pipeline. The end valve of Water pumps also belong to a check valve.
Divided by the structure of a check valve, it can be divided into three types, the rising check valve, Swing Check Valve and butterfly check valve. For the connection of the above check valve, it can be divided into the thread connection, flange connections and welding.
