description1
Zipper closure
1/5 zip athletic pullovers for men. Stretchy, lightweight, fast-drying
fabric for superior performance.
REGULAR FIT - US standard sizes. An athletic fit that sits close to the
body
for a wide range of motion, designed for optimal performance and all day
comfort.
FEATURES - Quarter zip closure;Thumbholes on long sleeves to keep them
in
place during workout
Product Description
The tubing head is usually a cross with flange connection at the top and bottom. It is installed on the flange of the casing head to suspend the tubing string and seal the annular space between the tubing string and the reservoir casing. It is composed of tubing head spool and tubing hanger.
Tubing head function:
- Suspend the tubing string in the well.
- Annular space between sealing oil pipe and casing.
- Provide transition connection between casing head and Christmas tree.
- The two side openings on the tubing head spool can be used for water injection and well flushing.
Basic parameters
Nominal size: 7 1/16 "~21-1/4"
Working pressure: 2000PSI~15000PSI
Temperature class: KU
Material grade: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1~PSL4
Performance level: PR1~PR2
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