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Changsha Chaojingang machinery manufacturing CO., Ltd
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No foot valve, CD35A/DHD3.5/ RH460 3"/IR3.5/COP34 DTH hammer , For Earthworks / Quarries/ Water well/ Mining

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Changsha Chaojingang machinery manufacturing CO., Ltd
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No foot valve, CD35A/DHD3.5/ RH460 3"/IR3.5/COP34 DTH hammer , For Earthworks / Quarries/ Water well/ Mining

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Brand Name : Super Diamond

Model Number : CD35A/DHD3.5/ RH460 3"/IR3.5/COP34

Certification : ISO 9001

Place of Origin : China

MOQ : 1pcs

Price : Negotiable

Supply Ability : According to order quantity

Delivery Time : 10-15 work days

Packaging Details : Carton packaging and wooden box packing

Hole Range : 90mm-105mm

External diameter : 82mm

Weight(Without bit) : 25.1kg

Connection Thread : 2 3/8" API reg pin

Working Pressure : 1.0-1.5 Mpa

Impact rate at 1.7Mpa : 25HZ

Recommended rotation speed : 25-40 r/min

Air consumption at 1.0Mpa : 3.8 m3/min

Air consumption at 1.5Mpa : 7.5 m3/min

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CD35A/DHD3.5/ RH460 3"/IR3.5/COP34 DTH hammer , For Earthworks / Quarries/ Water well/ Mining, with long life

No foot valve, CD35A/DHD3.5/ RH460 3"/IR3.5/COP34 DTH hammer , For Earthworks / Quarries/ Water well/ Mining
No foot valve, CD35A/DHD3.5/ RH460 3"/IR3.5/COP34 DTH hammer , For Earthworks / Quarries/ Water well/ Mining

Main product features:

  • Valveless air distribution, more reliable.
  • Simple design of the piston, long life.
  • More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
  • Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
  • Easy to disassemble, because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
  • 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 before.
  • Simple structure, reliable parts, long life, easy and cheap maintenance.
  • Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.


Applications

Widely used in mine drilling, wells, construction, oil and gas drilling, guardrail hole,mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.



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 Super 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.

Frequently Asked Question:

1.Are you a manufacturer or a trade company?
We are a manufacturer of rock drilling equipments and pneumatic tools in China.
2.How many workers in your factory?and what is your company scale?
We have more than 100 employees, including factory workers,sales people,QC ,R&D and management team.
It occupies 26600 SQM, and workshop has 22000 SQM. With more than 100 staffs, our company includes 26 specialized technicians and 8 senior engineers. And we are equipped with nearly 400 sets of advanced equipment required for manufacturing rock drilling machine and pneumatic tools.
3.Where are your company?
We are located in Changsha city,Hunan province.Only 20 minutes by car from the Huanghua international airport.
4.Why choose CJG DRILL?
  • About 80% employees in our company has more than 10 years Experienced drilling workers in China;
2)High quality compatible with Sandvik, Atlas Copco,Ingersoll Rand etc...
3)Unbeatable price
4)Excellent service.
5.Which port do you shipping from?
We usually ship container from Shanghai port.Guangzhou and Beijing port is available too.
6.Can you accept OEM & ODM ?
Yes, both of them are acceptable.
7.What is your minimum order quantity?
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity.
8.What is your payment term?
We can accept T/T, L/C at sight, West union and in cash.
9.How about the delivery time?
It all depends,generally it takes about one month both in peak and off season.

10.Could we make a schedule of an appoinment with your company?
Definitely.You are the most welcome.Please inform us your arrival time in any place of China and initial routine in advance.We can reserve the hotel,offer pickup service from Changsha Huanghua airport or the CHR Express station unpon your arrival and after the appoinment.Be our guest then!

Weclome our dearest customers to Visit our factory and to choose our great product ranges!




















Quality No foot valve, CD35A/DHD3.5/ RH460 3"/IR3.5/COP34 DTH hammer , For Earthworks / Quarries/ Water well/ Mining for sale

No foot valve, CD35A/DHD3.5/ RH460 3"/IR3.5/COP34 DTH hammer , For Earthworks / Quarries/ Water well/ Mining Images

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