| PRD Speed Star - Technical Specifications | |
| Capacity | 6 1/2" to 8 1/2" bore holes to a depth of 365 mtr |
| Prime Mover | Truck mounted rig with power from truck engine through transfer gear box |
| Work Method | Rotation with direct circulation, nucleus destruction with bleeding by water, air or foam. Drilling by drag bit (over burden) Roto percussion with DTH hammer |
| Mast |
Box type structure Max Capacity - 18 tons (39600 lbs) Height - 8.20 mtr (27 ft) Rod handling capacity - 5 mtr |
| Pull Up And Pull Down |
By means of hydraulic cylinder and wire rope, Reeving Ratio 1:3 Max Pull up force - 10750 kgs (20,240 Ibs) Max pull up speed - 39 mtr/min (128ft/min) Max pull down force - 6318 kgs (13900 lbs) Max pull down speed - 50 mtr/min (167 ft/min) |
| Rotary Head | Rotary head is powered by one hydraulic motor Max torque - 26,900 in - lbs (303kg - mtrs) Max speed - 0 to160 rpm |
| Hydraulic System | 210 kg / cm2 (3000 psi) |
| Hydraulic Oil Cooler | 70 GPM fin type cooler |
| Break Out Wrench | To open the drill joints hydraulic break out wrench of 350 mm stroke will be provided |
| Jacks | Four Box type hydraulic jacks |
| Water Injection Pump | Triplex reciprocating pump powered by hydraulic motor |
| Optional Attachment | Welding machine, mud pump, diesel filling pump, skid platform with deck engine |
| Rod Changer | Manually operated rod changer to handle single rods with 1000 kgs capacity pull up winch to carry drill rods, casings and hammer tools - four rods optional |
| Suitable Mud Pump |
PRD 125 MODEL Stroke - 127 mm Liner Size - 100 mm Maximum Working Pressure - 17.58 Kg/cm2 Maximum displacement - 435 lpm |
| Suitable Compressor | 1100 cfm - 300 psi; 1200cfm - 320psi |
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