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Casing spool


Casing spool is a very important equipment for drilling. Casing spool can control wellhead pressure. The flange end of casing spool is usually located at the top of casing head and connected with the bottom of tubing head, which is a part of wellhead system.
Basic parameters
Bottom flange size: 11 “, 13-5 / 8”, 20-3 / 4 “, 21-1 / 4”
Upper flange size: 11 “, 13-5 / 8”
Working pressure: 3000psi ~ 20000psi
Temperature class: Ku
Material grade: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1 ~ psl4
Performance level: PR1 ~ PR2

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