The choke valve is the major component of the Christmas tree and Manifold, mainly used for controlling the production rate of an oil well at a working pressure of up to 20,000 psi. The choke valve can be classified as adjustable choke valve and positive choke valve. The adjustable choke valve is designed to adjust the effective area available, for the flow to control the production rate, through rotating the hand wheel. The positive choke valve is designed to control the production rate through changing flow beans.
These choke valves are available in different configurations as below:
• Positive bean configuration
• Needle and Seat configuration
• Cage type configuration
Specifications
• Nominal diameter: 2.1/16” ~ 4.1/16”
• Working pressure: 2000 PSI ~ 20000 PSI
• Working media: oil, natural gas, mud
• Working temperature: LU ( 51℉/-46℃ ~ 250℉/121℃)
• Material grades: AA, BB, CC, DD, EE, FF, HH
• Specification level: PLS1 ~ PSL4
• Performance level: PR1 ~ PR2
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