Establish Industry Benchmark
NQL series of high pressure wind tunnel DTH hammer without nylon tube
Model:NQL4A/NQL5A/NQL6A/NQL8A/NQL95A
Hunan
new diamond Construction Machinery Co., Ltd. is a professional R & D
and production of mining, rock chiseling, infrastructure, well
foundation pile series of high, medium pressure, reverse circulation DTH
impactor, drill; With the pipe drilling products; series of top
hammer-impact rock drill bit, screw drill and other drilling
technology-based manufacturing enterprises. My company produces,
developed a series of high pressure, energy efficient high-pressure,
through-type reverse circulation DTH impact drill with drilling
efficiency, low failure rate, long life and other advantages. Even for
all types of harsh rock with high hardness and high abrasiveness, the
Supman Boring Tool can also be used for efficient and economical
drilling. "New King Kong" brand DTH drill with its stable quality,
excellent performance and selling the country, and exported to Europe,
Australia, Africa, Russia, the Middle East, and Southeast Asia.
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 |
||||||||||
Item Description |
Weight(kg) |
|||||||||
NQL4A |
NQL5A |
NQL6A |
NQL8A |
NQL95A |
||||||
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 |
|||||
5、Spring |
0.05 |
0.10 |
0.10 |
0.10 |
0.10 |
|||||
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 |
|||||
8、Piston |
8.50 |
15.00 |
23.00 |
42.50 |
48.00 |
|||||
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 |
|||||
Technical Data |
||||||||||
Length(Without Bit) |
NQL4A |
NQL5A |
NQL6A |
NQL8A |
NQL95A |
|||||
1070mm |
1090mm |
1183mm |
1330mm |
1340mm |
||||||
Weight(Without Bit) |
40.00kg |
67.00kg |
90.00kg |
171.00kg |
203.00kg |
|||||
External Diameter |
Ø99mm |
Ø126 mm |
Ø165mm |
Ø180/Ø185mm |
Ø203mm |
|||||
Bit Shank |
QL40 |
QL50 |
QL600 |
QL80 |
QL80 |
|||||
Hole Range |
Ø110-Ø135mm |
Ø155-Ø203mm |
Ø155-Ø203mm |
Ø195-Ø254mm |
Ø216-Ø254mm |
|||||
Connection Thread |
API2 3”/8REG |
API2 3”/8REG API3 1”/2REG API2 7”/8REG |
API3 1”/2REG |
API4 1”/2REG |
API4 1”/2REG |
|||||
Working Pressure |
1.2-2.0Mpa |
1.3-2.3Mpa |
1.5-2.5Mpa |
1.5-3.0Mpa |
1.8-3.0Mpa |
|||||
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 |
|||||
Air Consumption |
1.0Mpa:5.0m³/min 1.8Mpa:9.0m³/min 2.4Mpa:14.0m³/min |
1.0Mpa:7.0m³/min 1.8Mpa:14.0m³/min 2.4Mpa:19.0m³/min |
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:16.0m³/min 1.8Mpa:28.0m³/min 2.4Mpa:39.0m³/min |
FAQ
Q: What's your delivery time?
A: Commonly produce need 20-25 days to produce. Within 3or 5 days if in stock
Q: What methods of payment are accepted?
A: We agree T/T, L/C, West Union.
Q: What about the shipment?
A: Based on order quantity. We can send it to you by Express, by Air, by Sea, and by Train. Or send the goods to your Chinese agent.
Q: How to control the quality?
A: We should be checking & testing everyone button bit before shipment.
Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.
Q: Can we select the button bit color?
A: Yes, We color the product according to the color you need.
Q: Can we change to our mark on the button bit?
A: Yes, we can casting your company mark on the button bit. (Except sample order).
Q: Do you have after-sale service and warranty service?
A: Any quality or quantity problem once confirmed, we will reply you within 24 hours and give you a solution.
Q: Can i trust your company?
Q: After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded).
b. Technical Support will be available in any time.

Domestic:+86 730 6808685

International:+86 731 89708148

Address:岳阳市平江工业园
yueyang city ping jiang industrial park

Email:China market:yang.riquan@xjgdrill.com
Overseas market:rick.liao@xjgdrill.com
Copyright @ 2017 湖南新金刚工程机械有限公司 All Rights Reserved
湘ICP备16003403号-1 Management Privacy Policy
