Patents Assigned to GLOBAL VALVE TECHNOLOGY LIMITED
  • Centreline flow valve
    Patent number: 8567435
    Abstract: A valve (10) is disclosed. The valve (10) has an inclined valve seat (14) defining a fluid aperture (18), and a valve head (20) for contact with the valve seat (14) for closure of the fluid aperture (18). A lever arm (22) is attached to the valve head (20). There are biasing means (32) operatively coupled to the lever (22) arm for urging the valve head (20) into contact with the valve seat (14), the biasing means (32) being arranged to provide decreased biasing on opening of the valve head (20) relative to the fluid aperture (18).
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: October 29, 2013
    Assignee: Global Valve Technology Limited
    Inventor: Allan Meyer
  • CENTRELINE FLOW VALVE
    Publication number: 20090294715
    Abstract: A valve (10) is disclosed. The valve (10) has an inclined valve seat (14) defining a fluid aperture (18), and a valve head (20) for contact with the valve seat (14) for closure of the fluid aperture (18). A lever arm (22) is attached to the valve head (20). There are biasing means (32) operatively coupled to the lever (22) arm for urging the valve head (20) into contact with the valve seat (14), the biasing means (32) being arranged to provide decreased biasing on opening of the valve head (20) relative to the fluid aperture (18).
    Type: Application
    Filed: June 14, 2007
    Publication date: December 3, 2009
    Applicant: Global Valve Technology Limited
    Inventor: Allan Meyer
  • DUAL SEAL VALVE
    Publication number: 20090217988
    Abstract: A valve (10) is disclosed comprising a valve housing (14) including a valve seat (12), a valve head (16) movably housed within the valve housing (14) for seating with the valve seat (12), and a lip seal (30) connected to either the valve head (16) or the valve seat (12). The lip seal (30) is configured to be hydraulically biased into contact with the valve seat (12) or the valve head (16) to maintain closure of the valve.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 3, 2009
    Applicant: GLOBAL VALVE TECHNOLOGY LIMITED
    Inventor: Stuart Maxwell