The API 5CT 2-7/8" EU L80 Tubing Coupling is a reliable, high-quality product designed for optimal performance in oil and gas drilling operations. Manufactured in compliance with industry standards, it ensures durability, resistance to tough working conditions, and compatibility with 2-7/8" tubing sizes for efficient, safe operations.


$5.2 
  • Brand: Henan Sunjoy
  • SKU: 2358
  • Shipping: 
  • Return Policy: <div class="return-policy"> <h2>No-Risk Return Policy</h2> <p>Not 100% satisfied? We make returns easy.</p> <div class="highlight-box"> <h3>🔄 30-Day Returns</h3> <p>Return any item in original condition within 30 days for a full refund.</p> </div> <h3>📦 How to Return:</h3> <ol> <li><strong>Contact us</strong> at returns@yourstore.com with your order number</li> <li><strong>Get approval</strong> + return shipping label (if applicable)</li> <li><strong>Ship back</strong> via prepaid method</li> </ol> <h3>❗ Important Notes:</h3> <ul> <li>Refunds exclude original shipping fees</li> <li>Customs duties on international returns are non-refundable</li> <li>Final sale items marked "Non-returnable" are excluded</li> </ul> <p>🔔 <em>Need help? Chat live with our support team → [右下角聊天图标]</em></p> </div>

Learn More


API 5CT 2-7/8" EU L80 Tubing coupling


This is a tubing coupling manufactured according to ‌API 5CT‌ standards. It's used to connect threaded ends of oilfield tubing strings.

  • API 5CT‌: American Petroleum Institute specification for casing and tubing.
  • 2-7/8"‌: Nominal outer diameter of the tubing.
  • EU (External Upset)‌: The ends of the tubing are thicker (upset) to provide extra material for threading and stronger connections.
  • L80‌: A material grade indicating a minimum yield strength of 80,000 psi.
  • Label 1

    Size a

    Outside Diameter

    Minimum

    Length

    NL

    mm

    Diameter

    Of recess

    Q

    mm

    Width of bearing face regular

    B

    mm

    Maximum bearing face diameter

    B f

    Mass


    kg


    Outside

    Diameter

    D

    mm

    EU Regular

    W bmm

    EU Special Clearance

    W c cmm

    NU

    EU

    NU

    EU

    NU

    EU

    NU

    EU

    NU

    EU

    NU

    Regular with special bevel

    mm

    Special clearance

    mm

    Regular with special bevel

    mm

    Special clearance

    mm

    1

    2

    3

    4

    6

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    1.050

    26.67

    42.16

    ---

    33.35

    82.55

    80.96

    35.00

    28.27

    2.38

    1.59

    37.80

    ---

    30.00

    0.38

    ---

    0.23

    1.315

    33.40

    48.26

    ---

    42.16

    88.90

    82.55

    38.89

    35.00

    2.38

    2.38

    42.77

    ---

    37.80

    0.57

    ---

    0.38

    1.660

    42.16

    55.88

    ---

    52.17

    95.25

    88.90

    47.63

    43.76

    3.18

    3.18

    50.95

    ---

    47.17

    0.68

    ---

    0.59

    1.900

    48.26

    63.50

    ---

    55.88

    98.42

    95.25

    54.76

    49.86

    3.18

    1.59

    58.34

    ---

    52.07

    0.84

    ---

    0.56

    2 3/8

    60.32

    77.80

    73.91

    73.02

    123.82

    107.95

    67.46

    61.93

    3.97

    4.76

    71.83

    69.90

    66.68

    1.55

    1.07

    1.28

    2 7/8

    73.02

    93.17

    87.88

    88.90

    133.35

    130.18

    80.16

    74.63

    5.56

    4.76

    85.88

    83.24

    80.98

    2.40

    1.55

    2.34

    3 1/2

    88.90

    114.30

    106.17

    107.95

    146.05

    142.88

    96.85

    90.50

    6.35

    4.76

    104.78

    100.71

    98.42

    4.10

    2.38

    3.71

    4

    101.60

    127.00

    ---

    120.65

    152.40

    146.05

    109.55

    103.20

    6.35

    4.76

    117.48

    ---

    111.12

    4.82

    ---

    4.35

    4 1/2

    114.30

    141.30

    ---

    132.08

    158.75

    155.58

    122.25

    115.90

    6.35

    4.76

    130.96

    ---

    123.19

    6.05

    ---

    4.89