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Bored Piles Equipment

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The HR 800 is our largest model, which has been specially designed and built for carrying out works requiring large bore diameters at great depths.
This one of a kind drilling rig can be equipped with different rotarys with different torque values depending on your job requirements. The rotary can also be set up with the MCS (MAIT Casing System) or torque multiplier which can exert a maximum nominal torque of 800 KNm for insertion and extraction on the casing tubes up to a maximum diameter of 3000 mm .
The HR 800 is not limited to the conventional kelly bar drilling system, but it is able to utilize Casing Oscillators, Continuous Flight Auger (CFA), Diaphragm Walls by kelly bar system, and Driven piles with hydraulic hammers. The HR 800 is also available with a crowd winch system (THD), which allows a longer stroke along the length of the mast, therefore longer casing sections may be used when drilling.

Bored Piles Equipment

Bored Piles Equipment

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The HR 300-570 is a drilling rig of great dimensions, weighing approximately 90-95 tons. It has been purposely designed without mast articulation in order so the mast is stable and can withstand the high torque of the MCS system (Torque multiplier system exclusively available from MAIT). According to your requirements, this rig can be fitted with either a rotary with 233 kNm nominal torque or 270 kNm nominal torque. The HR 300-570 rig succeeds in inserting and extracting casings with a daily 30 % productive increment thanks to the torque multiplier. The MCS system has 57.000 kgm exercised torque from the rotary directly to the casing .

Bored Piles Equipment

Bored Piles Equipment

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The HR 260 is a self erecting, 75 ton drilling rig particularly suitable for drilling great diameters using the kelly bar system and with casing tubes directly with the rotary. The HR 260 is able to perform the following applications:
- Drilling large diameters and great depths with augers or buckets
- Execution of direct rotary drilling with casings and casing oscillator
- Continuous Flight Auger (CFA) & Diaphragm Walls
- Execution of Double Head drilling
The HR 260 is available in the following two versions:
HR 260 CP – the standard version, is equipped with a Pull-down Cylinder which exerts it’s force on the rotary, and is principally utilized for drilling large diameter bore holes. The rotary is able to work with a stroke of 6.100 mm (20 ft) approx. The HR 260 CP uses a parallelogram system of articulation guaranteeing a notable range or motion 1.000 mm (3.3 ft).
HR 260 THD – available upon request, The THD system moves the rotary by utilizing a crowd winch, allowing the rotary to be used along a larger stroke of the mast, 10 m (33 ft) approx. The THD version is particularly useful for driving and extracting casing tubes directly by the rotary, and without a doubt increasing your daily productivity.

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