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Cock valve is a kind of valve that which can be open or close by rotation. It can also be called the plug valve. The shape of the valve plug can be cylindrical or conical. The channel in the cylindrical plug is generally rectangular, and the channel in the conical plug is generally trapezoidal. The cock valve is used for cutting off or connecting the media or used to shunt.
The cock valve is fast in opening and closing, and it is light weighted, small in size and simple in structure; and it is characterized in the fluid resistance the plug; and its unrestricted flow of medium; and it’s convenient in maintenance. What’s more, it doesn’t make much noise. The cock valve can be classified into: soft sealing plug valve, hard sealing plug valve and elevated plug valve. It can also be classified by the structure: the adapter type and the self-proclaimed type, piling type.
The cock valve widely used in oil field exploitation, transportation, refining equipment, and also widely applied in petrochemical, chemical, gas, natural gas, liquefied petroleum gas, HVAC industry and some general industries.