Great Lakes Wellhead provides M type gate valve that features a non-rising stem with an expanding gate design to provide safe, dependable service in a variety of environments. It is available in flanged or threaded ends in standard bore sizes from 2-1/16” through 7-1/16” in working pressures of 3,000psi through 5,000 psi.
Great Lakes Wellhead provides BSO (Ball Screw Operator) in the 4-1/16”, 5” and 7-1/16” 10,000psi wp and 15,000psi working pressure, FC gate valves. The unique operating mechanism greatly reduces the operating torque so that the valve can be opened or closed manually.