Kingbolt Valves and Control Service



Wellhead assembly consists of casing head, tubing head and Xmas tree, which are applicable for connection of casing string and tubing string, sealing the annular space between casing and tubing, controlling the pressure of the production wellhead and adjusting the flow rate of oil / gas wellhead as well as some special operations such as fracturing, injection and testing etc

All of components are designed, fabricated and inspected in accordance with API Spec. 6A. all of gate valves with stem-position-indicator can obviously show the status of valves.

 Medium: Petroleum, natural gas, mud etc

 Rated working pressure:2000~15,000 psi

 Rated working temp: P ~ U

 Material class: DD, EE

 Product specification level:PSL1~PSL3

 Performance requirement level:PR1

 All popular bore size is available