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Place of Origin | Germany |
Brand Name | ROSCHEN |
Certification | ISO |
Model Number | 99 126 146mm |
RC Drill Rod
JRC Series reverse circulation 99mm 126mm Diameter DTH Hammer Drill Rods for deep exploration Ore Mining Drilling
Use: Ore Mining
Reverse Circulation drill rod comprises an outer and inner pipe with a sealing system (usually 0 Rings) to keep the drill string pressurized. As RC drill rods are subjected to high wear in the drillinh
Roschen JRC series reverse circulation DTH Hammer is the latest developed products of our company. It is mainly used for deep exploration drilling and stope ore grade control.
It has the following characteristics:
1. Based on previous experience of ordinary hammers, combined with the features of reverse circulation hammer, optimized internal structure and ideal energy transfer, thus ensuring the series of hammers drilling with fast, smooth and continuous sampling.
2. The internal structure is very simple with components of high rigidity, thus ensuring long life and easy maintenance of the hammer.
3. The collection tube adopts an integrative design and can be replaced without disassembling the hammer. With carburizing treatment, it has good abrasive resistance.
4. Equipped with bits designed with patent. Simply by replacing the drill bit, the same hammer can drill holes of different sizes ensuring that the sample is not contaminated.
5. In different conditions such as loose soil, hard rock and plenty of water exists, sampling can be done well.
Reverse Circulation (RC) Hammers:
Length (Less bit) | Weight (Less bit) | External Diameter | Bit Shank | HoleRange | Working Pressure | Air Consumption | |
1020mm | 94.0kg | 99mm | JRC45 | 114-127mm | 1.0-3.0Mpa | 1.0-2.4Mpa | 8-16m3/min |
1111mm | 66.5kg | 126mm | JRC55 | 133-152mm | 1.5-3.5Mpa | 1.7-3.0Mpa | 16-28m3/min |
1250mm | 110.0kg | 146mm | JRC65 | 155-190mm | 1.5-3.5Mpa | 1.7-3.0Mpa | 20-35m3/min |
1208mm | 70.0kg | 126mm | JRC52 | 133-146mm | 1.5-3.5Mpa | 1.7-3.0Mpa | 16-28m3/min |
Reverse Circulation Drill Bits:
Bit Shank | Bit Diameter (mm) |
JRC | 115,140,165mm |
MIC | 133,140,146mm |
PR5 | 133,140,146mm |
PR4 | 115,127,133mm |
REVERSE CIRCULATION DRILL ROD SPECIFICATIONS | |||||||
Thread Type | Remet | Remet | Remet | Metzke | Metzke | Matrix | Matrix |
Rod O.D. | 3 1/2" | 4" | 4 1/2" | 4" | 4 1/2" | 4" | 4 1/2" |
Outer Tube O.D. | 88.9mm | 101.7mm | 114.3mm | 101.7mm | 114.3mm | 101.7mm | 114.3mm |
Outer Tube I.D. | 81.8mm | 94.6mm | 107.2mm | 94.6mm | 107.2mm | 94.6mm | 107.2mm |
Outer Tube W.T. | 5.3mm | 7.1mm | 7.1mm | 7.1mm | 7.1mm | 7.1mm | 7.1mm |
Inner Tube O.D. | 38.1mm | 50.8mm | 63.5mm | 50.8mm | 63.5mm | 50.8mm | 63.5mm |
Inner Tube I.D. | 32.6mm | 45.3mm | 58mm | 45.3mm | 58mm | 45.3mm | 58mm |
Inner Tube W.T. | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm |
Spanner Flat | 90mm | 90mm | 90mm | 90mm | 90mm | 90mm | 90mm |
Weight 3.0m | 75kg. | 75kg. | 95kg. | 75kg. | 95kg. | 75kg. | 95kg. |
Weight 6.0m | 120kg. | 150kg. | 168kg. | 150kg. | 168kg. | 150kg. | 168kg. |
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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.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com
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