Plug valves are valves with cylindrical or conically tapered plugs which can be rotated inside the valve body to control flow through the valve. The plugs in plug valves have one or more hollow passageways going sideways through the plug, so that fluid can flow through the plug when the valve is open. JCIN VALVE supply two types of plug valve, sleeve soft seal type and inverted pressure balance lubricated type. of plug valve,it is applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum, chemical industry, pharmacy, chemical fertilizer, electric power industry etc under nominal pressure of class 150-900lbs and working temperature of -29℃~180℃.