Patents Assigned to Varco/Best Flow Products
  • Wear monitoring construction for erosive/corrosive flow conducting devices
    Patent number: 4735229
    Abstract: A wear monitoring device for use in a choke valve. The device includes a wear liner which fits in the flow annulus of the valve. The liner is sealed at either end from the fluid inlet valve and defines an annular void space in fluid communication with a port to the exterior of the valve. Leakage caused by flow cutting through the liner can be observed as fluid discharge from the port.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: April 5, 1988
    Assignee: Varco/Best Flow Products
    Inventor: Robert D. Lancaster