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| Categories | Down The Hole Hammer |
|---|---|
| Brand Name: | SOLLROC |
| Model Number: | 6''-8'' |
| Certification: | SGS |
| Place of Origin: | China |
| MOQ: | 1 piece |
| Price: | negotiable |
| Payment Terms: | T/T, |
| Supply Ability: | 10000 pieces/month |
| Delivery Time: | 18 working days |
| Packaging Details: | Cartons + ply wood case (no plastic) |
| Application: | Quarrying, construction |
| Usage: | geothermal drilling |
| Product name: | dth hammer |
| Rock formation: | Granite, limestone, quartz, etc |
| Advantage: | Best quality |
| Color: | Black or as request |
| Rock hardness: | Granite, limestone, quartz, etc |
| Use: | Well Drilling,Ore Mining,Coal Mining,Coal/Ore Mining,quarry |
| Size: | 6''-8'' |
| Air pressure: | High |
| Company Info. |
| Changsha Sollroc Engineering Equipments Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
6''-8'' High Air Pressure DTH Hammer with Foot Valve Type for
Foundation Work
Product description:
Down-the-hole drilling (DTH) essentially involves a drilling hammer
at the bottom of a drill string. It relies on three elements for
drilling holes: bit loading (weight), rotation and air. These
active elements combine to be efficient at crushing rock
Product Advantages:
1.The most suitable hole diameter is 100–254 mm, in special
applications can be up to 2M And the minimum can be around 50 mm as
well.
2.Theoretically drilling depth is limited by back pressure only
(can be up to several kilometers).
3.Adapt to hard rock and rock formation conditions (compared to top
hammer).
4.Mainly use pressurized air for slag flushing, and sometimes air
foam for special application.
DTH Hammer specification:
Hammers | Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
| 6" hammers | DHD360 COP64 QL60 SD6 M60 | API 3 1/2"Reg | ¢152-¢203mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min |
| 1.8Mpa | 20m3/min | |||||
| 2.4Mpa | 28.5m3/min | |||||
| 8" hammers | DHD380 COP84 QL80 SD8 | API 4 1/2"Reg | ¢200-¢279mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min |
| 1.8Mpa | 26m3/min | |||||
| 2.4Mpa | 34m3/min | |||||
| Hammer inch | Bits diameter | Shank | |
| Metric | Inch | ||
| 6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 M60/QL60/Bulroc BR6 |
| 8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 QL80/M80 |
Detailed photos:
Application:
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