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 |
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| Use: | Ore Mining | Color: | Required |
| Application: | MARBLE QUARRY OR WELL DRILLING | Usege: | Mining&Construction&Water Well Drilling |
| High Light: | dth hammer,oil drilling tools |
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Heat Resistance DTH Hammer Well Drilling , Water Drilling Tools High Strength
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.
1. according to China's mining conditions, to absorb the advanced technology of domestic and foreign impactor and design and manufacture of the latest products.
2. reasonable selection of materials, advanced manufacturing technology, quality assurance perfect.
3. has higher drilling speed.
4. can provide hardening treatment in order to prolong the service life and reduce the cost of use.
5. single impact power is large, and the power consumption of broken rock is low.
6. piston and bit weight to have the best momentum transfer.
7.the modern theory is adopted in the structural design, which makes the stress wave duration longer, the stress amplitude is lower, and the piston life is long.
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 Without Foot Valve Technical Data |
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| Length(Without Bit) | ND25A | ND35A | ND45A | ND45S | ND55A | ND55S |
| 872mm | 888mm | 1011mm | 986mm | 1110mm | 1110mm | |
| Weight(Without Bit) | 16.00kg | 25.00kg | 43.20kg | 37.00kg | 69.00kg | 66.00kg |
| External Diameter | Ø71mm | Ø82mm | Ø99mm | Ø92mm | Ø126mm | Ø116mm |
| Bit Shank | ND25 | IR35 | COP44/DHD340 | COP44/DHD340 | COP54/DHD350R | COP54/DHD350R |
| Hole Range | Ø71-Ø90mm | Ø90-Ø115mm | Ø110-Ø135mm | Ø105-Ø120mm | Ø135-Ø155mm | Ø127-Ø145mm |
| Connection Thread | T42x10x1.5 | API2 3”/8REG | API2 3”/8REG | API2 3”/8REG |
API2 3”/8REG API3 1”/2REG API2 7”/8REG 2 7”/8 IF |
API2 3”/8REG API3 1”/2REG API2 7”/8REG |
| Working Pressure | 1.0-1.5Mpa | 1.0-1.5Mpa | 1.2-2.0Mpa | 1.2-2.0Mpa | 1.3-2.3Mpa | 1.3-2.3Mpa |
| Impact Rate at 14 Bar | 25HZ | 25HZ | 30HZ | 30HZ | 28HZ | 28HZ |
| Recommended Rotation Speed | 22-35r/min | 25-40r/min | 22-35r/min | 25-40r/min | 20-35r/min | 25-35r/min |
| Air Consumption |
1.0Mpa: 4.0m³/min 1.5Mpa: 6.0m³/min |
1.0Mpa: 3.8m³/min 1.5Mpa: 7.5m³/min |
1.0Mpa: 6.0m³/min 1.8Mpa: 10.0m³/min 2.4Mpa: 15.0m³/min |
1.8Mpa: 8.0m³/min 2.4Mpa: 13.0m³/min |
1.0Mpa: 7.0m³/min 1.8Mpa: 14.0m³/min 2.4Mpa: 19.0m³/min |
1.0Mpa: 7.0m³/min 1.8Mpa: 13.5m³/min 2.4Mpa: 18.0m³/min |
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ND Series High Air Pressure DTH Hammers Without Foot Valve Technical Data |
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| Length(Without Bit) | ND55C(A) | ND65A | ND75A | ND85A | ND1120A |
| 1102mm | 1238mm | 1258mm | 1359mm | 1880mm | |
| Weight(Without Bit) | 68.00kg | 98.00kg | 120.00kg | 175.00kg | 474.00kg |
| External Diameter | Ø126mm | Ø142/Ø146mm | Ø165mm | Ø180/Ø185mm | Ø275mm |
| Bit Shank | ND55C/DHD350Q | COP64/DHD360 | COP64/DHD360 | COP84/DHD380 | CDHD1120 |
| Hole Range | Ø135-Ø155mm | Ø155-Ø203mm | Ø175-Ø216mm | Ø195-Ø254mm | Ø305-Ø445mm |
| Connection Thread |
API2 3”/8REG API3 1”/2REG API2 7”/8REG |
API3 1”/2REG | API3 1”/2REG | API4 1”/2REG | API6 5”/8REG |
| Working Pressure | 1.3-2.3Mpa | 1.5-3.0Mpa | 1.5-3.0Mpa | 1.5-3.0Mpa | 2.0-3.5Mpa |
| Impact Rate at 17 Bar | 28HZ | 25HZ | 23HZ | 22HZ | 20HZ |
| Recommended Rotation Speed | 22-35r/min | 20-30r/min | 20-30r/min | 15-25r/min | 15-25r/min |
| Air Consumption |
1.0Mpa: 8.0m³/min 1.8Mpa: 6.0m³/min 2.4Mpa: 19.0m³/min |
1.0Mpa: 9.0m³/min 1.8Mpa: 18.0m³/min 2.4Mpa: 26.0m³/min |
1.0Mpa: 11.0m³/min 1.8Mpa: 20.0m³/min 2.4Mpa: 28.0m³/min |
1.0Mpa: 12.0m³/min 1.8Mpa: 22.0m³/min 2.4Mpa: 28.0m³/min |
1.0Mpa: 28.0m³/min 1.8Mpa: 50.0m³/min 2.4Mpa: 71.0m³/min |
Advantages:
Our DTH hammer and bits has following advantages:
Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of DTH hammer designed according to newest rock drilling theory.
Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced
processing technology adapted.
Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of hammer.
Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.
Interchangeable with DTH bit and dill pipe manufactured by many brands all over the world.
| ND Series High Air Pressure DTH Hammers Without Foot Valve | |||||||||||
| Item Description | Weight(kg) | ||||||||||
| ND25A | ND35A | ND45A | ND45S | ND55A | ND55S | ND55C(A) | ND65A | ND75A | ND85A |
ND1120A |
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|
Top Sub |
3.10 | 4.20 | 6.50 | 6.00 | 13.70 | 13.30 | 13.70 | 20.00 | 23.00 | 34.00 | 70.00 |
| “O” Ring Of Top Sub | - | 0.01 | 0.01 | 0.01 | 0.015 | 0.015 | 0.015 | 0.02 | 0.015 | 0.015 | 0.04 |
| Breakout Ring | - | - | - | - | - | - | - | - | - | 0.30 | 0.80 |
| Chenck Valve | 0.10 | 0.20 | 0.35 | 0.30 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 1.20 | 2.00 |
| Spring | 0.05 | 0.02 | 0.05 | 0.05 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
|
Air Distributor |
0.60 | 0.80 | 1.50 | 1.30 | 2.00 | 1.90 | 2.00 | 3.50 | 4.50 | 6.00 | 16.00 |
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Internal
Cylinder |
0.80 | 1.30 | 2.10 | 1.90 | 2.80 | 2.70 | 2.80 | 4.20 | 6.50 | 6.50 | 25.00 |
| Piston | 3.80 | 5.50 | 8.50 | 7.80 | 15.00 | 14.50 | 15.00 | 23.00 | 28.00 | 42.50 | 113.00 |
| External Cylinder | 4.50 | 9.50 | 15.20 | 14.60 | 24.00 | 23.00 | 25.00 | 31.50 | 40.00 | 60.00 | 173.00 |
| Guided Sleeve | 0.60 | 1.00 | 1.30 | 1.20 | 2.60 | 2.50 | 3.20 | 6.50 | 7.50 | 5.30 | 24.00 |
| “O” Ring Of Stop Ring | 0.005 | 0.05 | 0.01 | 0.005 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
|
Stop Ring |
0.10 | 0.15 | 0.30 | 0.20 | 0.50 | 0.50 | 0.50 | 0.60 | 0.80 | 1.20 | 4.00 |
| Breakout Ring | - | - | - | - | - | - | - | - | - | 0.30 | 0.80 |
| Drive Chuck | 1.40 | 1.90 | 3.40 | 3.40 | 6.50 | 6.20 | 4.000 | 6.00 | 8.00 | 17.50 | 46.00 |
| Drill Bit | 3.20 | 5.00 | 9.00 | 8.50 | 16.00 | 15.50 | 15.90 | 26.00 | 28.50 | 40.00 | 140.00 |
Contact Person: Rick.liao
Tel: +8618692219720
