Brand Name: Kaishan
Minimum Order Quantity: 1 set
Packaging Details: Standard Export Packing
Delivery Time: 7-10 days
Payment Terms: L/C, T/T, Western Union
A rotation drill rig, air compressor and the “DTH drill string” are the essential unit for DTH drilling while the “DTH drill string” is always made up of DTH drill rods, DTH hammer and DTH bits.
As one of key component, the DTH hammer acts as a role of converting the air pressure to the impact energy, simultaneously transferring impact energy and rotation force to DTH bits.
Advantages:
it is a kind of high air pressure DTH hammer without foot valve, and it is our newest design. lt is also one of the most advanced DTH hammers in the word.
It has the following advantages：
Out of the trouble of foot valve fracture and expansion and contraction.
Lower energy consumption and higher impact frequency.The drilling speed is 15%-30% higher than the one with foot valve.
Simple structure, reliable parts, long life span, easy and cheap maintenance.
Lower air and oil consumption.The oil consumption is about 10% lower than the one with foot valve.
Application:
DTH hammers are working units of DTH drill rigs, which drive piston forth and back to impact DTH bits for breaking stones by compressed air. Our company’s Kaishan high pressure dth air hammer is suitable for all working conditions and performs outstandingly in medium and high pressure open-pit engineering drilling and particularly well in water drilling and special engineering drilling.
| Model | K3 | K4 | K5 | K6 | K8 | K10 |
|---|---|---|---|---|---|---|
| Length(Without Bit) | 889mm | 985mm | 1107mm | 1238mm | 1355mm | 1484mm |
| Weight(Without Bit) | 25kg | 40kg | 67kg | 111kg | 192kg | 302kg |
| Extemal Diameter | Φ82mm | φ99.5mm | Φ125mm | Φ148mm | Φ185mm | Φ225mm |
| Bit Shank | K3**IR3.5 | K3**COP44/DHD340 | K5**COP45/DHD350 | K6*COP64/DHD360 | K8**COP84/DHD380 | K10* |
| Hole Range | φ90-Φ105mm | Φ110-φ130mm | Φ135-Φ165mm | Φ155-Φ190mm | Φ195-φ254mm | φ254-Φ311mm |
| Connection Thread | API 2 3/8"REG | API 2 3/8"REG | API 2 3/8"REG API 3 1/2"REG | API 3 1/2"REG | API 4 1/2"REG | API 5 1/2"REG |
| Working Pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.7-3.5Mpa |
| Impact Rate at 17 Bar | 25Hz | 31Hz | 28Hz | 25Hz | 22Hz | 20Hz |
| Recommended Rotation Speed | 25-40rpm | 22-35rpm | 20-35rpm | 20-30rpm | 15-25rpm | 20-40rpm |
| Air Consumption | 1.0 Mpa:4.8m³/min | 1.0Mpa:6m²/min | 1.0 Mpa:7 m²/min | 1.0 Mpa:9 m²/min | 1.0 Mpa:12 m²/min | 1.0 Mpa:22m²/min |
| Air Consumption | 1.8 Mpa:9.6m²/min | 1.8 Mpa:10 m²/min | 1.8 Mpa:14 m²/min | 1.8 Mpa:18 m³min | 1.8 Mpa:23 m²/min | 1.8 Mpa:40 m²/min |
| Air Consumption | 2.4Mpa:12.6m²/min | 2.4 Mpa:15 m²/min | 2.4 Mpa:19 m³/min | 2.4 Mpa:26m²/min | 2.4 Mpa:31 m²/min | 2.4 Mpa:65m²/min |
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