DTH hammer CIR 90
- Category: Mining Machinery Parts >>>
- Supplier: Xiamen Bestlink Factory Co. Ltd.
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Product Overview
Description
Specifications
DTH hammer
1 medium and high air pressure etc
2 interchangeable with DTH bit etc
3 with Atlas copco products
4 high quality
Marteau fond de trou( DTH hammers/down the hole hammers )
Xiamen Bestlink Factory Co., Ltd. is committed to providing the best drilling and cutting machine, tools and accessories in marble and granite stone quarrying, as well as civil engineering application, especial demolition project.
We supply low, medium and high pressure downhole hammers. We have met the standard API and other standards. They are produced by a professional team in high quality materials.
The following advantages:
1. Maximal energy for cutting, fast drilling speed, low air consumption;
2. Good performance and long life of the HD series thanks to high quality alloy steel materials;
3. Easy maintenance due to its internal structure easy to assemble and disassemble;
4. Easy to remove hammer cutter;
5. Interchangeable with drill and downhole drill rod.
| DTH hammer type | HD35 | HD45 | HD55 | |
| Length(less bit) | 930mm | 1030mm | 1170mm | |
| Weight(less bit) | 24.5kg | 39.2kg | 71.5kg | |
| External diameter | Φ81mm | Φ99m | Φ125m | |
| Bit shank | IR3.5”COP34 | COP44/DHD340 | COP54/DHD350R | |
| Hole range(mm) | Φ90-110 | Φ110-135 | Φ135-155 | |
| Connection thread | API 2 3/8” Reg. | API 2 3/8” Reg. | API 2 3/8” Reg. | |
| API 3 1/2” Reg. | ||||
| Working pressure | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | |
| Impact rate at 17 Bar | 28Hz | 27Hz | 25Hz | |
| Recommended Rotation speed | 28r/min | 25-40r/min | 20-30r/min | |
| Air consumption | 10bar | 80L/s | 100L/s | 1450L/s |
| 18bar | 1600L/s | 180L/s | 280L/s | |
| 24bar | 210L/s | 250L/s | 390L/s | |
| DTH hammer type | HD55C | HD65 | HD85 | |
| Length(less bit) | 1160mm | 1248mm | 1487mm | |
| Weight(less bit) | 70.00kg | 98.00kg | 188.00kg | |
| External diameter | Φ125mm | Φ142m | Φ180m | |
| Bit shank | HD55C DHD350Q | COP64/DHD360 | COP84/DHD380 | |
| Hole range(mm) | Φ135-155 | Φ155-190 | Φ195-254 | |
| Connection thread | API 2³/8” Reg. | API 2³/8” Reg. | API 41/2” Reg. | |
| API 31/2” Reg. | ||||
| Working pressure | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | |
| Impact rate at 17 Bar | 25Hz | 23Hz | 20Hz | |
| Recommended Rotation speed | 20-30r/min | 15-25r/min | 15-20r/min | |
| Air consumption | 10bar | 140L/s | 175L/s | 190L/s |
| 18bar | 280L/s | 3400L/s | 370L/s | |
| 24bar | 390L/s | 475L/s | 495L/s | |
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