Quantum Leap Hammer DTH Drilling Tools For Seeking Good Balance
Quantum Leap Hammer For Seeking Good Balance between Strong Perforance and Low Cost
Quantum Leap hammer
QL200 Quantum Leap Hammer
Roschen Rock Drilling Tools -
Secoroc Down the Hole Equipment
Strong Performance and Affordability
Our Quantum Leap product line is available for those seeking a good balance between strong performance and cost. This product line was the drilling industry's first hybrid combination of valve and valveless air cycle down-hole drills. Setting many industry benchmarks, the Quantum Leap line continues to offer good value.
QL200 General Specifications:
| Description | Standard | Special | ||
| English | Metric | English | Metric | |
| Standard drill pipe connection (see options) | 8-5/8 API reg pin | 8-5/8 API reg pin | ||
| Outside diameter (inch & mm) | 15.6 | 396 | 15.6 | 396 |
| Length w/o bit shoulder to shoulder (inch & mm) | 65.8 | 1,670 | 72.1 | 1,831 |
| Length with bit extended (inch & mm) | 75.3 | 1,911 | 83.5 | 2,120 |
| Length with bit retracted (inch & mm) | 73.3 | 1,861 | 81.5 | 2,069 |
| Weight w/o bit (lb & kg) | 2,579 | 1,172 | 2,983 | 1,356 |
| Backhead across flats (inch) | Special Wrench/Tongs Required | |||
| Minimum bit size (inch & mm) | 17.5 | 444 | 28 | 711 |
| Maximum bit size (inch & mm) | 26 | 660 | 36 | 914 |
| Bore (inch & mm) | 12.25 | 311 | 12.25 | 311 |
| Piston weight (lb & kg) | 610 | 277 | 610 | 277 |
| Stroke (inch & mm) | 4 | 102 | 4 | 102 |
| Maximum pressure differential (psig & bar) | 250 | 17 | 250 | 17 |
| Maximum choke diameter (inch & mm) | 0.88 | 22.3 | 0.88 | 22.3 |
| Make-up torque (ft-lb. & N-m) | 18,000 | 24,372 | 18,000 | 24,372 |
| Shank style | QL200 | QL200 | ||
Air Consumption:
| Description | Standard | Special | ||
| 100 psi/6,9 bar (scfm & l/s) | 1,584 | 747 | 1,584 | 747 |
| blows per minute | 701 | 701 | ||
| 150 psi/10,3 bar (scfm & l/s) | 2,470 | 1,165 | 2,470 | 1,165 |
| blows per minute | 807 | 807 | ||
| 200 psi/13,8 bar (scfm & l/s) | 3,389 | 1,599 | 3,389 | 1,599 |
| blows per minute | 923 | 923 | ||
| 250 psi/17,2 bar (scfm & l/s) | 4,341 | 2,048 | 4,341 | 2,048 |
| blows per minute | 1,049 | 1,049 | ||
| 300 psi/20,7 bar (scfm & l/s) | 5,324 | 2,511 | 5,324 | 2,511 |
| blows per minute | 1,185 | 1,185 | ||
| 350 psi/24,1 bar (scfm & l/s) | 6,340 | 2,991 | 6,340 | 2,991 |
| blows per minute | 1,331 | 1,331 | ||
| Above specifications/ratings are based on initial factory setting. | ||||
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.