The casing head is a kind of part connecting casings and wellheads. It is used as supporting the weight of technical casing and production casing, sealing the annular space between the casings, and installing BOP stacks. It provides a transition joint for the tubing head, Christmas tree and other wellheads. It can also supply cement, monitor & control well's sinking, and inject balance liquids etc by the two side outlets on the casing head housing.

• Working Pressure: 2,000Psi ~ 20,000Psi
• Nominal Bore Diameter: 7 1/16"~ 21 1/4"
• Working Medium: petroleum , natural gas ,water , mud , gas containing H2S,CO2
• Temperature Class: L~U
• Material Class: AA ~ HH
• Product Specification Level: 1 ~ 4
• Performance Requirement: 1 ~ 2