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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