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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.

Hunan New Diamond Construction Machinery Co., Ltd.

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ND Series Down The Hole Hammer For Mines / Quarries , 1.0-2.5Mpa Working Pressure

ND Series Down The Hole Hammer For Mines / Quarries , 1.0-2.5Mpa Working Pressure

  • ND Series Down The Hole Hammer For Mines / Quarries , 1.0-2.5Mpa Working Pressure
ND Series Down The Hole Hammer For Mines / Quarries , 1.0-2.5Mpa Working Pressure
Product Details:
Place of Origin: Hunan, China (Mainland)
Brand Name: New Diamond
Certification: ISO9001:2008
Model Number: ND series
Payment & Shipping Terms:
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
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Detailed Product Description
Type: Hammers Processing Type: Forging
Use: Ore Mining Color: Required
Machine Type: Drilling Equipment Material: Alloy Steel
High Light:

downhole drilling tools

,

borewell hammer

Description



The new diamond dart impactor uses the latest drilling theory to design impactor, which enables the impactor to get the best energy transfer, fast drilling speed and low air consumption. The best quality of raw materials and the most advanced processing technology, stable performance and long life. Easy to use, easy to install and disassemble, easy to repair and easy to repair.

 

Applications



Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.

 

Specifications


ND Series High Air Pressure DTH Hammers With Foot Valve

Technical Data

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

 
 

ND Series High Air Pressure DTH Hammers Without Foot Valve

Technical Data

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

 
 

ND Series High Air Pressure DTH Hammers Without Foot Valve

Technical Data

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

 

 

Feature Advantage



Characteristic advantage

1 adopts the industry's leading heat treatment technology, and the steel hardness and wayward products are in the leading position.

2 alloy teeth adopt professional technology to greatly improve the strength of alloy teeth.

3 perfect after-sales security system and after-sales service tracking, the perfect solution to any problem of customers.

 

 

 

 

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
 

 

 

 

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
1, Top Sub 3.10 4.20 6.50 6.00 13.70 13.30 13.70 20.00 23.00 34.00 70.00
2, “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
3, Breakout Ring - - - - - - - - - 0.30 0.80
4, Chenck Valve 0.10 0.20 0.35 0.30 0.70 0.70 0.70 0.70 0.70 1.20 2.00
5, Spring 0.05 0.02 0.05 0.05 0.10 0.10 0.10 0.10 0.10 0.10 0.10
6, Air Distributor 0.60 0.80 1.50 1.30 2.00 1.90 2.00 3.50 4.50 6.00 16.00
7, Internal Cylinder 0.80 1.30 2.10 1.90 2.80 2.70 2.80 4.20 6.50 6.50 25.00
8, Piston 3.80 5.50 8.50 7.80 15.00 14.50 15.00 23.00 28.00 42.50 113.00
9, External Cylinder 4.50 9.50 15.20 14.60 24.00 23.00 25.00 31.50 40.00 60.00 173.00
10, Guided Sleeve 0.60 1.00 1.30 1.20 2.60 2.50 3.20 6.50 7.50 5.30 24.00
11, “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
12, Stop Ring 0.10 0.15 0.30 0.20 0.50 0.50 0.50 0.60 0.80 1.20 4.00
13, Breakout Ring - - - - - - - - - 0.30 0.80
14, Drive Chuck 1.40 1.90 3.40 3.40 6.50 6.20 4.000 6.00 8.00 17.50 46.00
15, 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 Details
Hunan New Diamond Construction Machinery Co., Ltd.

Contact Person: Rick.liao

Tel: +8618692219720

Send your inquiry directly to us
Hunan New Diamond Construction Machinery Co., Ltd.
PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.
Tel:86-731-89708248
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