Hunan New Diamond Construction Machinery Co., Ltd.
|Place of Origin:||Hunan, China (Mainland)|
|Brand Name:||New Diamond|
|Model Number:||NQL series|
|Minimum Order Quantity:||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|
|Usege:||Mining&Construction&Water Well Drilling||Application:||MARBLE QUARRY OR WELL DRILLING|
rock mining tools
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.
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
NQL Series High Air Pressure DTH Hammers Without Foot Valve
|External Diameter||Ø99mm||Ø126 mm||Ø165mm||Ø180/Ø185mm||Ø203mm|
|Connection Thread||API2 3”/8REG||
|API3 1”/2REG||API4 1”/2REG||API4 1”/2REG|
|Impact Rate at 17 Bar||30HZ||28HZ||25HZ||22HZ||22HZ|
|Recommended Rotation Speed||20-30r/min||20-35r/min||20-30r/min||15-25r/min||15-25r/min|
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.
|NQL Series High Air Pressure DTH Hammers Without Foot Valve|
|1, Top Sub||6.50||13.70||20.00||34.00||35.00|
|2, “O” Ring Of Top Sub||0.01||0.015||0.015||0.015||0.01|
|3, Breakout Ring||-||-||-||0.30||0.04|
|4, Chenck Valve||0.35||0.70||0.70||1.20||1.20|
|6, Air Distributor||1.50||2.00||3.50||6.00||7.00|
|7, Internal Cylinder||2.10||2.70||4.20||6.50||7.50|
|9, External Cylinder||15.20||24.00||30.00||59.00||75.00|
|10, Guided Sleeve||1.80||3.00||4.00||6.30||12.00|
|11, “O” Ring Of Stop Ring||0.005||0.01||0.01||0.01||0.01|
|12, Stop Ring||0.20||0.40||0.60||1.40||1.70|
|13, Breakout Ring||-||-||-||0.30||0.40|
|14, Drive Chuck||3.20||4.50||5.50||13.00||15.00|
|15, Drill Bit||9.00||16.00||25.00||35.00||50.00|
Contact Person: Rick.liao