масло устьевой

Our production of the KR model thermal recovery wellhead equipment, use of high temperature and pressure to meet the domestic scene of the valves and wellhead equipment requirements. Device has a small opening and closing torque, flow resistance coefficient is small, reliable sealing, etc., can achieve gas injection, oil , sewage and other functions. device complies Q/320923FFB005-1998 <heavy oil thermal recovery wellhead> standards. And also meet API Spec 6A Specification; KR wellhead equipment and christmas tree apply to the use of conventional oil wells and injection wells. The single valve wellhead valve structure using wedge. Rated working pressure: 21MPa Nominal diameter: 65mm (2 9 / 16 ") connection: clamp connection or flange connection