Purpose:
The KGN-440 tongs is used for mechanical spinning of drill pipes, well casings and oil-well tubing while controlling and automatic limiting of torque during tripping or oil- or gas well repairs.
Technical data:
| Trapping tubes diameter, mm | 89...324 |
| Rotation speed of chuck at coupling/uncoupling (high gear) rps (rpm) | 0...1,16(0...70) |
| ×Rotation speed of chuck at torqueing / torqueing-out (low gear) rps (rpm) | 0...0,5(0...3) |
| Coupling torque (high gear), kNm | 11 |
| Torque at torqueing / torqueing-out (low gear), kNm | 45...55 |
| Number of reduction gears, pc. | 2 |
| Installed capacity of hydraulic power unit, kW | 22 |
| Hydraulic system pressure, nominal., MPa | 26 |
| Hydraulic system pressure, max., MPa | 35 |
| Dimensions of tongs, mm (length × width × height) | 1500 × 1000 × 1440 |
| Tongs weight, kg | 1250 |
| Dimensions of system, mm (length × width × height) | 1550 × 1150 × 1250 |
| Weight of power supply unit , kg | 945 |
