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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.

Home ProductsDown The Hole Hammer

NSD Series Down The Hole Hammer With Foot Valve For Rock Chisel Yellow Color

NSD Series Down The Hole Hammer With Foot Valve For Rock Chisel Yellow Color

  • NSD Series Down The Hole Hammer With Foot Valve For Rock Chisel Yellow Color
NSD Series Down The Hole Hammer With Foot Valve For Rock Chisel Yellow Color
Product Details:
Place of Origin: Hunan, China (Mainland)
Brand Name: New Diamond
Certification: ISO9001:2008
Model Number: NSD 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
Material: Alloy Steel Usege: Mining&Construction&Water Well Drilling
High Light:

dth hammer

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oil drilling 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.

 

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.

 

Applications


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

 

Specifications

 


NSD Series High Air Pressure DTH Hammers With Foot Valve

Technical Data

Length(Without Bit) NSD4 NSD5 NSD6 NSD8 NSD10 NSD12
1084mm 1175mm 1261mm 1463mm 1502mm 1880mm
Weight(Without Bit) 40.50kg 72.50kg 100.00kg 192.00kg 290.00kg 487.00kg
External Diameter Ø99mm Ø126mm

Ø142mm- Ø144mm

Ø146mm- Ø148mm

Ø180 Matching /

Ø 185mm

Ø226mm Ø275mm
Bit Shank SD4 SD5 SD6 SD8 SD10 SD12
Hole Range Ø110-Ø135mm Ø135-Ø155mm Ø155-Ø190mm Ø195-Ø254mm Ø254-Ø311mm Ø305-Ø445mm
Connection Thread API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REG API4 1”/2REG

API4 1”/2REG

API6 5”/8REG

API6 5”/8REG
Working Pressure 1.2-2.0Mpa 1.3-2.3Mpa 1.5-2.5Mpa 1.5-3.0Mpa 2.0-3.5Mpa 2.0-3.5Mpa
Impact Rate at 17 Bar 27HZ 25HZ 23HZ 20HZ 18HZ 16HZ
Recommended Rotation Speed 25-40r/min 20-35r/min 20-30r/min 5-25r/min 20-30r/min 15-25r/min
Air Consumption

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:

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:

22.0m³/min

1.8Mpa:

40.0m³/min

2.4Mpa:

55.0m³/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.

 

NSD Series High Air Pressure DTH Hammers With Foot Valve
Item Description Weight(kg)
NSD4 NSD5 NSD6 NSD8 NSD10 NSD12
Top Sub 6.50 15.00 20.00 41.00 59.00 70.00
“O” Ring Of Top Sub 0.01 0.01 0.01 0.02 0.03 0.04
Breakout Ring 0.01 - - 0.20 0.30 0.80
Chenck Valve 0.42 1.00 1.00 1.50 1.40 3.00
Spring 0.04 0.10 0.05 0.10 0.30 0.10
Compression Buffer 0.04 0.05 0.10 0.42 0.60 1.00
Air Distributor 2.20 3.50 5.00 12.50 11.50 20.00
Internal Cylinder 2.50   5.00 8.60 11.00 23.00
Piston 9.00 4.20 24.00 42.00 62.00 125.00
External Cylinder 15.60 15.50 35.00 65.00 110.00 170.00
Guided Sleeve 0.02 25.00 0.01 0.05 0.03 0.04
“O” Ring Of Stop Ring 0.20 0.01 0.50 1.20 0.60 4.80
Stop Ring - 0.50 1.50 3.40 4.50 18.00
Breakout Ring 0.01 - - - 0.30 0.80
Drive Chuck 4.00 7.50 7.50 15.50 24.00 51.00
Drill Bit 9.60 15.60 25.80 37.00 115.00 120.00
 

 

 

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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