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Casing machines KL type for combined use rotary drilling rigs

LEFFER offers short-design casing machines (type KL) to support the rotary drilling rig. In general, LEFFER casing machines have been designed based on specific experience.

The five-part clamping collar that surrounds the drill pipe prevents plastic damage to the pipe circumference and ensures efficient and force-fit transmission of torques and vertical forces.

  • Thanks to our reduction inserts, our casing machines can be converted to small diameters in just a few minutes.
  • The moment-resistant attachment to the excavator guarantees the transmission of the full oscillating movement: This enables the pipe string to rotate up to 25° per oscillating movement.
  • The low height on the excavator side allows 360° movement of the excavator upper carriage even when coupled.

With LEFFER casing machines, casing and drilling can be carried out simultaneously. Control can be via the carrier’s on-board hydraulics or LEFFER’s own power unit.

Model types

Casing machines
Drilling diameter in mm
Lifting force in N
Torque in kNm
VRM 100 KL
500–1000
920
800
VRM 118 KL
620–1180
1200
1250
VRM 120KL
620–1200
1200
1250
VRM 130 KL
750–1300
1700
1600
VRM 150 KL
750–1500
1700
1850
VRM 200 KL
1200–2000
2250
2700
VRM 220 KL
1500–2200
2250
2900
VRM 250 KL
1800–2500
2950
3250
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