Tubing and Casing Coupling

Tubing and Casing Coupling
Tubing and Casing Coupling
Tubing and Casing Coupling
Tubing and Casing Coupling

Shengji manufactures the tubing and casing coupling with more than 20-year production experience, we can make EUE and NUE coupling,which is strictly complied with API 5CT/5B standard, our annual production capacity is 1,000,000 pcs.

key feature

  • Coupling material cover the whole standard range
  • High dimension precision
  • Good performance in anti-galling

 

Tubing coupling specifications OD mm  Min length mm Weight kg
NU EN NU EN NU EN
1.9 55.88 63.5 93.25 98.42 0.56 0.84
2 3/8 73.02 77.8 107.95 123.82 1.28 1.55
2 7/8 88.9 93.17 130.18 133.35 2.34 2.4
3 1/2 107.95 114.3 142.88 146.05 3.71 4.1
4 120.65 127 146.05 152.4 4.35 4.82
4 1/2 132.08 141.3 155.58 158.75 4.89 6.05

 


Casing coupling specifications OD mm Min length mm Weight kg
short-thread long-thread short-thread long-thread
4 1/2 127 158.75 177.8 3.62 4.15
5 141.3 165.1 196.85 4.66 5.75
5 1/2 153.67 171.45 203.2 5.23 6.42

 

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