Click image to view full size image
Technical Parameters of External Upset Tubing Coupling
No | Specs | OD | Grad | Thread marking | The shortest length | Standard weight | Thread surface |
mm | kg | ||||||
1 | 1.9 | 63.50 | J55;K55;N80;P110 | 1.9UP TBG | 98.42 | 0.84 | Phosphating treatment |
2 | 2-3/8 | 77.8 | J55;K55;N80;P110 | 2-3/8 UP TBG | 123.82 | 1.55 | |
3 | 2-7/8 | 93.17 | J55;K55;N80;P110 | 2-7/8 UP TBG | 133.35 | 2.40 | |
4 | 3-1/2 | 114.3 | J55;K55;N80;P110 | 3-1/2 UP TBG | 146.05 | 4.10 | |
5 | 4 | 127.0 | J55;K55;N80;P110 | 4 UP TBG | 152.40 | 4.82 | |
6 | 4-1/2 | 141.3 | J55;K55;N80;P110 | 4-1/2 UP TBG | 158.75 | 6.05 |
tubing coupling
