1 PRD Double Super:
Technical Specifications:
| Capacity |
6" to 8" dia bore holes to a depth of 1000 ft. (300 mtr)
|
Prime Mover
|
Truck mounted rig with power from truck engine.
|
Work Method
|
Rotation with direct circulation, nucleus destruction with bleeding by water, air or foam.
Drilling by drag bit (over burden) Roto persussion with DTH hammer.
|
Mast
|
Box type structure
Max. Capacity 33,000 lbs (15 tons)
Height 27 ft. (8.1 mtr)
Rod handling capacity 20 ft. (6.1 mtr)
|
Hydraulic System
|
Max. operating pressure 3200 psi (210 kgs) |
| Hydraulic Oil Cooler |
Fin Type Flow capacity 90 GPM Cooler fan drive through hydraulic motor.
|
Pull Up And Pull Down
|
By hydraulic cylinder and wire rope, Reeving Ratio 1:3
Max. Pull up force 17,380 lbs (7900 kgs)
Max. Pull up speed 244 ft./ min (74 mtr / min)
Max. Pull down force 11,880 lbs (5400 kgs)
Max. pull down speed 356 ft./ min (108 mtr / min)
|
Rotary Head
|
Rotary head is powered by one hydraulic motor
Max. torque 26,400 in-lbs (303 kg-mtrs.)
Max. speed 0 to 130 rpm
|
Jacks
|
Four hydraulic jacks of 100 x 63 x 610 mm stroke.
|
Water Injection Pump
|
Triplex reciprocating pump of 50 lpm 1000 psi powered by hydraulic motor.
|
Break Out Wrench
|
To open the drill joints hydrailic break out wreanch of 350 mm stroke will be provided.
|
Rod Changer with
Auxillary Winch
|
Manually operated single pivoted rod changer with 1000 kg capacity pull up winch to carry
drill rods, castings and hammer tools.
|
Suitable Compressor
|
800 cfm, 200 psi / 900cfm, 200 psi / 1000cfm, 275psi / 1100 cfm, 300psi.
|
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