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Improve safety performance with ensured reliability

Fix drilled wellhead, connect wellhead casing string, seal and control the annular of casing, suspend tubing, control wellhead pressure and adjust flow rate, also induce oil into outlet pipeline, shut off oil well when necessary, and apply to acid fracturing, water injection and test service.
Structure and Application
Consist of casing head, tubing head and Christmas Tree Apply to all kinds of casing, tubing programs and connection forms Safety & Reliability. Simple & convenient to be operated, maintained and repaired can be equipped with (pneumatic) hydraulic safety valve.
Feature and Standard
Working pressure: 2,000 to 20,000 psi
Working medium: oil, natural gas, mud, including H2S, CO2
Working temperature: -50ºF to 250ºF (Class: LU)
Material class: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1-4
Performance level: PR1-2
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