Didtek Inverted Pressure Balance Lubricated Plug valves

Didtek Inverted Pressure Balance Lubricated Plug valves are suitable for use in the pipelines for various kinds of working conditions,with nominal pressure of Class 150-2500 and working temperature of -29-180℃ in such industries as petroleum, chemistry, pharmacy, chemical fertilizer, and power plant to turn on or cut off the flow medium of the pipelines. There has designed oil groove between valve body and sealing surface, through which the sealing lubricant can be injected into valve seat at any time by the grease injected to enhance the sealing function.