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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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High Air Pressure Earth Drilling Tools With Foot Valve For Rock Chisel , ND Series

High Air Pressure Earth Drilling Tools With Foot Valve For Rock Chisel , ND Series

  • High Air Pressure Earth Drilling Tools With Foot Valve For Rock Chisel , ND Series
High Air Pressure Earth Drilling Tools With Foot Valve For Rock Chisel , ND Series
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
Application: MARBLE QUARRY OR WELL DRILLING Material: Alloy Steel
High Light:

dth hammer

,

rock mining tools

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.

 

 

Applications

 


     It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.

 

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

 

 

 

 

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 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.

 

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
 

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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