Wellhead and Christmas tree assembly are the key equipment in oil/gas production, consists of casing head, tubing head and Christmas tree, which are applicable for connection of casing string and tubing string, sealing the annular space between casing and tubing and controlling the pressure of the production wellhead and adjusting the flow rate of oil/gas wellhead as well as some special operations such as acid fracture, injection and test etc.
The design meets the requirement of API SPEC 6A.
Rated working pressure：2000~20000PSI
Rated working temp：K、L、P、R、S、T、U、V
Material class：AA, BB, CC, DD, EE、FF
Product specification level：PSL1~PSL4
Performance requirement level：PR1
Suitable medium：Petroleum, natural gas, mud etc.
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