Products
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Workover Rigs
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Rig Components&Accessories
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Handling Tools
- DD Type Center Latch Elevators
- DDZ Type Center Latch Drilling Elevators
- Slip Type Air Operated Elevators
- CDZ Type Drilling Elevators
- CD Type Side Door Elevators
- SLX Type Side Door Elevators
- TA Type Center Latch Elevators
- SJX Type Single Joint Auxiliary Elevator
- SP Type Single Joint Auxiliary Elevators
- SJ Type Single Joint Auxiliary Elevator
- DDZH Hydraulic Center Latch Elevator
- CDZH Hydraulic Center Latch Elevator
- Y Series Slip Type Elevator
- Sucker Rod Elevators
- Single Arm Elevator Links For Oil Drilling
- Double Arm Elevator Links for Oil Drilling
- DB Type Manual Tongs
- Extended Casing Manual Tongs
- Workover Tongs
- B Type Manual Tongs
- C Type Manual Tongs
- SDD Type Manual Tongs
- AAX Type Manual Tongs
- WWC Type Manual Tongs
- WWB Type Manual Tongs
- SB Type Manual Tongs
- LF Type Manual Tongs
- Drill Pipe Slips
- Drill Collar Slips
- Casing Slips
- Safety Clamps
- Pneumatic Slip
- Drill Pipe Hydraulic Power Tong
- Casing Hydraulic Power Tong
- Workover Hydraulic Power Tong
- Sucker Rod Power Tong
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Drill Strings
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Tubulars
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Mud Pump & Spare Parts
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Well Control Equipments
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Production Equipments
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WellHead Equipments
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Drill Bits
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Well Cementing & Completion Tools
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Water Well Drilling Accessories
- Technical Features
- Technical Parameters
Main Technical Features
● LF-type tongs are tools for unloading and unbuckling various types of pipe strings and tools
during workover operations.
● By changing the Lug jaws, it can meet the needs of different sizes of pipe diameters
requirements.
● Applicable pipe diameter: 2.3/8-7in; maximum torque: 22kN.m;
● Designed and manufactured according to API Spec 7K specifications for drilling and well
servicing equipment.
No. of Latch Lug jaw | Latch step | Size Range | Rated Torque kN•m | |
---|---|---|---|---|
in | mm | |||
1# | 1 | 2.3/8-2.7/8 | 60.32-73 | 22 |
2 | 2.7/8-3.1/2 | 73-88.9 | ||
2# | 1 | 3.1/2-4.1/4 | 88.9-107.95 | |
2 | 4.1/4-5 | 107.95-127 | ||
3# | 1 | 4.3/4-5.1/2 | 120.65-139.7 | |
2 | 5.1/2-6.1/4 | 120.65-139.7 | ||
4# | 1 | 5.3/4-6.3/8 | 146.05-161.93 | |
2 | 6.3/8-7 | 161.93-177.8 |