Hunan New Diamond Construction Machinery Co., Ltd.
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| Place of Origin: | Hunan, China (Mainland) |
| Brand Name: | New Diamond |
| Certification: | ISO9001:2008 |
| Model Number: | ND series |
| Minimum Order Quantity: | Negotiable |
|---|---|
| Price: | Negotiable |
| Packaging Details: | Carton packaging and wooden box packing |
| Delivery Time: | 5-8 work days |
| Payment Terms: | L/C, T/T, Western Union |
| Supply Ability: | According to order quantity |
| Type: | Hammers | Processing Type: | Forging |
|---|---|---|---|
| Use: | Ore Mining | Color: | Required |
| Application: | MARBLE QUARRY OR WELL DRILLING | Material: | Alloy Steel |
| High Light: | dth hammer,rock mining tools |
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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.
Applications
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
Specifications
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ND Series High Air Pressure DTH Hammers With Foot Valve Technical Data |
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| Length(Without Bit) | ND35 | ND45 | ND55 | ND55C | ND65 | ND85 | ND1120 |
| 930mm | 1045mm | 1214mm | 1160mm | 1248mm | 1492mm | 1900mm | |
| Weight(Without Bit) | 25.00kg | 39.00kg | 76.50kg | 72.50kg | 100.00kg | 188.00kg | 480.00kg |
| External Diameter | Ø82mm | Ø99mm | Ø126mm | Ø126mm |
Ø142mm Ø144mm Ø146mm Ø148mm |
Ø180mm/Ø185mm | Ø275mm |
| Bit Shank | NHD3.5 |
COP44/ DHD340 |
COP54/ DHD360 |
COP55C/ DHD350Q |
COP64/ DHD360 |
COP84/ DHD380 |
CDHD1120 |
| Hole Range | Ø90-Ø110mm | Ø110-Ø135mm | Ø135-Ø155mm | Ø135-Ø155mm | Ø155-Ø190mm | Ø195-Ø254mm | Ø305-Ø445mm |
| Connection Thread | API2 3”/8REG | API2 3”/8REG |
API2 3”/8REG API3 1”/2REG API2 7”/8REG |
API2 3”/8REG API3 1”/2REG API2 7”/8REG |
API3 1”/2REG | API4 1”/2REG | API6 5”/8REG |
| Working Pressure | 1.0-1.5Mpa | 1.2-2.0Mpa | 1.3-2.3Mpa | 1.3-2.3Mpa | 1.5-2.5Mpa | 1.5-3.0Mpa | 2.0-3.5Mpa |
| Impact Rate at 17 Bar | 28HZ | 27HZ | 25HZ | 25HZ | 23HZ | 27HZ | 16HZ |
| Recommended Rotation Speed | 25-40r/min | 25-40r/min | 20-35r/min | 20-35r/min | 20-30r/min | 20-30r/min | 15-25r/min |
| Air Consumption |
1.0Mpa: 4.5m³/min 1.5Mpa: 9.0m³/min |
1.0Mpa: 6.0m³/min 1.8Mpa: 10.0m³/min 2.4Mpa: 15.0m³/min |
1.0Mpa: 9.0m³/min 1.8Mpa: 15.0m³/min 2.4Mpa: 23.0m³/min |
1.0Mpa: 9.0m³/min 1.8Mpa: 15.0m³/min 2.4Mpa: 23.0m³/min |
1.0Mpa: 10.0m³/min 1.8Mpa: 20.0m³/min 2.4Mpa: 28.5m³/min |
1.0Mpa: 15.0m³/min 1.8Mpa: 26.0m³/min 2.4Mpa: 34.0m³/min |
1.0Mpa: 30.0m³/min 1.8Mpa: 56.0m³/min 2.4Mpa: 78.0m³/min |
Feature Advantage
1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.
2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.
3. Customer service: in order to create new diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.
The appearance of the picture is different from that of the actual product, and the actual product is the standard.
| ND Series High Air Pressure DTH Hammers With Foot Valve | |||||||
| Item Description | Weight(kg) | ||||||
| ND35 | ND45 | ND55 | ND55C | ND65 | ND85 | ND1120 | |
| Top Sub | 4.20 | 6.50 | 15.00 | 13.70 | 20.00 | 41.00 | 70.00 |
| “O” Ring Of Top Sub | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.04 |
| Breakout Ring | 0.01 | 0.20 | 0.80 | ||||
| Chenck Valve | 0.20 | 0.42 | 1.00 | 1.00 | 1.00 | 1.50 | 3.00 |
| Spring | 0.02 | 0.04 | 0.04 | 0.04 | 0.04 | 0.10 | 0.10 |
| Compression Buffer | 0.04 | 0.04 | 0.08 | 0.08 | 0.08 | 0.42 | 1.00 |
| Air Distributor | 1.40 | 2.20 | 3.70 | 3.50 | 5.00 | 12.50 | 20.00 |
| Internal Cylinder | 1.60 | 2.30 | 4.50 | 4.20 | 5.00 | 8.60 | 23.00 |
| Piston | 5.40 | 9.00 | 15.50 | 17.20 | 23.60 | 41.00 | 125.00 |
| External Cylinder | 9.50 | 15.00 | 30.00 | 26.50 | 36.80 | 62.00 | 170.00 |
| Guided Sleeve | 1.20 | 2.40 | 9.60 | 16.00 | |||
| “O” Ring Of Stop Ring | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.04 |
| Stop Ring | 0.20 | 0.20 | 0.30 | 0.50 | 0.60 | 1.20 | 4.50 |
| Breakout Ring | 0.01 | 0.20 | 0.80 | ||||
| Drive Chuck | 1.95 | 3.50 | 6.40 | 4.50 | 6.00 | 17.50 | 48.00 |
| Drill Bit | 5.00 | 9.00 | 16.00 | 15.60 | 26.00 | 40.00 | 120.00 |
Contact Person: Rick.liao
Tel: +8618692219720
