Specifications
1 TJA hydraulic bucking machine 2 large range, high torque, long service life 3. to screwin screwout of couplingsTJA Series of casing and tubing coupling bucking unit
- TJA Series of casing and tubing coupling bucking unit is widely applicable for casing and tubing manufacturing, and oil field service.
- TJA series is the most representive casing and tubing making equipment with most mature technology and most advanced structure.
- The bucking unit follows API tubing thread connection requirements, especially suitable for screwin screwout of multiple kinds of coupling.
- Never-stick gripping mechanism and precise torque-control system provide whole computer moninor during screwing process.
- Manual, semi-automatic, fully automatic are available, and features large range, high torque, long service life and safe and reliable.
Specification Series and Performance Parameters:
Model | TJA7″-25 | TJA95/8″-40 | TJA133/8″-45 | TJA20″-50 | ||
Applicable size | mm | Φ60.33—Φ177.8 | Φ60.33—Φ244.48 | Φ60.33—Φ340 | Φ244.48-Φ508 | |
in | 23/8"—7" | 23/8"—95/8" | 23/8"—133/8" | 95/8"—20" | ||
Torque | Hi gear | kN.m | 15 | 14 | 16 | 17.6 |
ft.lbf | 11060 | 10320 | 11800 | 12980 | ||
Low gear | kN.m | 25 | 40 | 45 | 50 | |
ft.lbf | 18440 | 29500 | 33190 | 36870 | ||
Speed | Hi gear | rpm | 1-28 | 0.95-26 | 0.63-23.7 | 0.7-20.3 |
Low gear | rpm | 0.53-11.1 | 0.37-9.3 | 0.23-8.3 | 0.25-7 | |
Central height | mm | 1100 | 1150 | 1150 | 1200 | |
in | 43.31 | 45.28 | 45.28 | 47.24 | ||
Core Dia | mm | 235 | 315 | 400 | 565 | |
in | 9.25 | 12.4 | 15.75 | 22.24 | ||
Shifting Stroke | Mm | 800 | 800 | 800 | 800 | |
in | 31.5 | 31.5 | 31.5 | 31.5 | ||
Hydraulic sytem Maximum pressure | MPa | 20 | ||||
psi | 2900 | |||||
Hydraulic system | L/min | 5-185 | ||||
gpm | 1.3-48.9 | |||||
| Pressure | MPa | 0.4-1 | |||
psi | 58-145 | |||||
Air consumption | m3/h | 2 | ||||
cfm | 1.2 | |||||
Overall dimensions | mm | 3210×1280×1650 | 3220×1300×1700 | 3250×1300×1700 | 3520×1450×1800 | |
in | 126.4×50.4×65 | 126.8×51.2×67 | 128×51.2×67 | 138.6×57×70.9 | ||
Weight | kg | 8000 | 10800 | 10800 | 12000 | |
lb | 17600 | 23760 | 23760 | 26400 | ||
