Patents Assigned to Vapor Corporaion
  • Fire safe plug valve
    Patent number: 4449695
    Abstract: A valve for controlling the flow of fluids of a flammable nature and under high pressure, which includes a hollow body having a plug rotatably mounted within the body between the floating seats at inlet and outlet ports with a packing plate in the bonnet capable of maintaining a seal against loss of fluids when the valve has been subjected to high temperature caused by fire.
    Type: Grant
    Filed: August 19, 1982
    Date of Patent: May 22, 1984
    Assignee: Vapor Corporaion
    Inventors: William H. Alexander, Roy R. Dare