Hunan New Diamond Construction Machinery Co., Ltd.
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | According to order quantity |
| Delivery Time | 5-8 work days |
| Packaging Details | Carton packaging and wooden box packing |
| Use | Water Well/ Ore Mining |
| Machine Type | Drilling Tool |
| Processing Type | Forging |
| Color | According to demand |
| Usege | Mining&Construction&Water Well Drilling |
| Application | MARBLE QUARRY OR WELL DRILLING |
| Brand Name | New Diamond |
| Model Number | ND series |
| Certification | ISO9001:2008 |
| Place of Origin | Hunan, China (Mainland) |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | According to order quantity |
| Delivery Time | 5-8 work days | Packaging Details | Carton packaging and wooden box packing |
| Use | Water Well/ Ore Mining | Machine Type | Drilling Tool |
| Processing Type | Forging | Color | According to demand |
| Usege | Mining&Construction&Water Well Drilling | Application | MARBLE QUARRY OR WELL DRILLING |
| Brand Name | New Diamond | Model Number | ND series |
| Certification | ISO9001:2008 | Place of Origin | Hunan, China (Mainland) |
| High Light | mining drilling tools ，dth tools | ||
Description
With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.
Suitable choice of raw material, advanced processing technology and perfect quality warranty.
With hardened treatment, drilling life can be extended and then cost can be reduced.
Size range 1-2’’,3 ’’, 4’’, 5’’, 6’’, 8’’, 10’’, 12’’ etc.
Shank styles:
BR1,BR2,BR3;
ND25ND474,ND525,ND55C;
NM4,NM5,NM6,NM8;
IR3.5;
DHD3.5,DHD340,DHD350,DHD350R,DHD350Q,DHD360,DHD380,DHD1120;
COP44,COP54,COP64,COP84;
QL40,QL50,QL60,QL80;
Mission40,Mission50,Mission60,Mission80;
SD4, SD5, SD6, SD8,SD10,SD12;
QI40,QI50,QI60,QI80;
NUMA100,NUMA120,NUMA125.
Applications
All our products, which passed ISO9001 quality management system, are widely used in open pit mining,tunneling, quarrying, transportation construction,engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc. We are one of the companies which have the most complete product lines, the most abundant species and the most widely used products in drilling industry.
| Technical Data | |||||||
| Length(Without Bit) | ND142A | ND180A | ND225A | ND275A | ND330A | ND475A | ND525A |
| 1388mm | 1520mm | 1745mm | 2626mm | 3870mm | 4080mm | 4260mm | |
| Weight(Without Bit) | 102.00kg | 178.00kg | 315.00kg | 650.00kg | 1050.00kg | 2775.00kg | 3626.00kg |
| External Diameter | Ø142mm | Ø180mm | Ø225mm | Ø275mm | Ø330mm | Ø475mm | Ø525mm |
| Bit Shank | DHD360 | QL80 | NUMA100 | NUMA125 | ND330 | ND475 | ND525 |
| Hole Range | Ø155-Ø195mm | Ø195-Ø254mm | Ø254-Ø311mm | Ø305-Ø445mm | Ø350-Ø660mm | Ø508-Ø706mm | Ø610-Ø800mm |
| Connection Thread | API3 1”/2REG | API4 1”/2REG |
API4 1”/2REG API6 5”/8REG |
API6 5”/8REG API7 5”/8REG |
API7 5”/8REG | API8 5”/8REG | API8 5”/8REG |
| Working Pressure | 1.0-2.5Mpa | 1.8-3.0Mpa | 1.8-3.0Mpa | 1.8-3.0Mpa | 1.8-3.0Mpa | 2.0-3.0Mpa | 2.0-3.0Mpa |
| Impact Rate at 17 Bar | 25HZ | 20HZ | 20HZ | 20HZ | 20HZ | 20HZ | 20HZ |
| Recommended Rotation Speed | 20-30r/min | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min |
| Air Consumption |
1.0Mpa: 9.0m³/min 1.8Mpa: 18.0m³/min 2.4Mpa: 26.0m³/min |
1.0Mpa: 12.0m³/min 1.8Mpa: 22.0m³/min 2.4Mpa: 28.0m³/min |
1.0Mpa: 22.0m³/min 1.8Mpa: 40.0m³/min 2.4Mpa: 65.0m³/min |
1.0Mpa: 28.0m³/min 1.8Mpa: 50.0m³/min 2.4Mpa: 71.0m³/min |
1.0Mpa: 32.0m³/min 1.8Mpa: 58.0m³/min 2.4Mpa: 85.0m³/min |
1.0Mpa: 56.0m³/min 1.8Mpa: 75.0m³/min 2.4Mpa: 85.0m³/min |
1.0Mpa: 50.0m³/min 1.8Mpa: 80.0m³/min 2.4Mpa: 99.0m³/min |
Specifications
1. Using the latest rock drilling theory,optimizing the inside structure and the size of the air distrbution,to make the DTH hammer obtain the optimal energy transfer and make it achieve faster drilling speed and lower air consumption.
2. For such projects as the drill bit break,retrieving very difficult,we specially designed a safe and reliable anti-shedding device for the bit.
3. The check valve can be replaced to replaced to the one with bigger air controlling hole to provide more efficient cutting discharge.
4. The top sub and the drive chuck have special thread,which can achieve an easier disassemble.
Feature Advantage
1. Fast drilling speed and low air consumption due to the special inner structure.
2. Smooth performance and long service due to high quality alloy steel materials and advanced processing.
Technology adapted
1. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner.
Structure of hammer
1. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
2. Interchangeable with DTH bit and drill pipe.
The appearance of the picture is different from that of the actual product, and the actual product is the standard.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
1,000,000-40,000,000
Employee Number:
100~300
Ecer Certification：
Active Member
Hunan new diamond Construction Machinery Co., Ltd. is a professional engaged in the research and manufacture of drilling and pneumatic tools of modern high-tech enterprises。 The main research and manufacture of high air pressure DTH hammer, drill hole, drill pipe and drilling ... Hunan new diamond Construction Machinery Co., Ltd. is a professional engaged in the research and manufacture of drilling and pneumatic tools of modern high-tech enterprises。 The main research and manufacture of high air pressure DTH hammer, drill hole, drill pipe and drilling ...
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