China plug valve manufacturer,factory and supplier for self-sealing lubricated plug coke valve,which is hard seal seal, pressure balanced inverted structure,self-sealing lubricated plug coke valve is used in place of a big gate valve where the quick operation is required.self-sealing lubricated plug coke valve can be used in high-pressure temperature services.

In the open position, this bored passage is in line with the flow. When the plug is turned 90° from the open position, the solid part of the plug blocks the flow.
 

Self-sealing lubricated plug coke valve technical Specification

Self-sealing lubricated plug coke valve main parts material