High Rotation Speed Borewell Drilling Hammers For Blast Hole Drilling

Brand Name:New Diamond
Certification:ISO9001:2008
Model Number:ND series
Minimum Order Quantity:Negotiable
Delivery Time:5-8 work days
Payment Terms:L/C, T/T, Western Union
Contact Now

Add to Cart

Verified Supplier
Location: Yueyang Hunan China
Address: PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.
Supplier`s last login times: within 1 hours
Product Details Company Profile
Product Details

ND seriesBorewell Drilling Hammers without foot valve for Rock chisel


Description


Choosing the right hammer is largely determined by hole size and type of rock formation. Ideally, the size of the hammer should match the required hole dimension as closely as possible, leaving just enough space for cuttings to evacuate the hole.


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.


A, using the raw material of super coarse grain hard alloy, the alloy has been sintered under pressure to improve the hardness and toughness of the bit.


B, unique design, improve drilling speed, use significantly improve life.


C, select advanced steel to ensure that the overall performance of the bit is consistent.


D, after sale guarantee, to replace the bad goods package.


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 Without Foot Valve

Technical Data

Length(Without Bit)ND25AND35AND45AND45SND55AND55S
872mm888mm1011mm986mm1110mm1110mm
Weight(Without Bit)16.00kg25.00kg43.20kg37.00kg69.00kg66.00kg
External DiameterØ71mmØ82mmØ99mmØ92mmØ126mmØ116mm
Bit ShankND25IR35

COP44/

DHD340

COP44/

DHD340

COP54/

DHD350R

COP54/

DHD350R

Hole RangeØ71-Ø90mmØ90-Ø115mmØ110-Ø135mmØ105-Ø120mmØ135-Ø155mmØ127-Ø145mm
Connection ThreadT42x10x1.5API2 3”/8REGAPI2 3”/8REGAPI2 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 Pressure1.0-1.5Mpa1.0-1.5Mpa1.2-2.0Mpa1.2-2.0Mpa1.3-2.3Mpa1.3-2.3Mpa
Impact Rate at 14 Bar25HZ25HZ30HZ30HZ28HZ28HZ
Recommended Rotation Speed22-35r/min25-40r/min22-35r/min25-40r/min20-35r/min25-35r/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)ND65AND75AND85AND1120A
1102mm1238mm1258mm1359mm1880mm
Weight(Without Bit)68.00kg98.00kg120.00kg175.00kg474.00kg
External DiameterØ126mmØ142/Ø146mmØ165mmØ180/Ø185mmØ275mm
Bit ShankND55C/DHD350QCOP64/DHD360COP64/DHD360COP84/DHD380CDHD1120
Hole RangeØ135-Ø155mmØ155-Ø203mmØ175-Ø216mmØ195-Ø254mmØ305-Ø445mm
Connection Thread

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REGAPI3 1”/2REGAPI4 1”/2REGAPI6 5”/8REG
Working Pressure1.3-2.3Mpa1.5-3.0Mpa1.5-3.0Mpa1.5-3.0Mpa2.0-3.5Mpa
Impact Rate at 17 Bar28HZ25HZ23HZ22HZ20HZ
Recommended Rotation Speed22-35r/min20-30r/min20-30r/min15-25r/min15-25r/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


1 Price commitment: in order to ensure the high reliability of products, high-quality brand products are selected for raw material selection. Under the same competitive conditions, the products will be provided to customers at a favorable price without reducing the technical performance of products.


2 Quality commitment: the manufacture and inspection of the products have quality records and testing data, and the performance of the products can stand the customer's inspection.

3
Customer service: in order to create new Jingang brand, enhance corporate reputation and set up corporate image, we serve customers with the principle of "preferential price, considerate service and reliable product quality".


ND Series High Air Pressure DTH Hammers Without Foot Valve
Item DescriptionWeight(kg)
ND25AND35AND45AND45SND55AND55SND55C(A)ND65AND75AND85AND1120A
1, Top Sub3.104.206.506.0013.7013.3013.7020.0023.0034.0070.00
2, “O” Ring Of Top Sub-0.010.010.010.0150.0150.0150.020.0150.0150.04
3, Breakout Ring---------0.300.80
4, Chenck Valve0.100.200.350.300.700.700.700.700.701.202.00
5, Spring0.050.020.050.050.100.100.100.100.100.100.10
6, Air Distributor0.600.801.501.302.001.902.003.504.506.0016.00
7, Internal Cylinder0.801.302.101.902.802.702.804.206.506.5025.00
8, Piston3.805.508.507.8015.0014.5015.0023.0028.0042.50113.00
9, External Cylinder4.509.5015.2014.6024.0023.0025.0031.5040.0060.00173.00
10, Guided Sleeve0.601.001.301.202.602.503.206.507.505.3024.00
11, “O” Ring Of Stop Ring0.0050.050.010.0050.010.010.010.010.010.010.01
12, Stop Ring0.100.150.300.200.500.500.500.600.801.204.00
13, Breakout Ring---------0.300.80
14, Drive Chuck1.401.903.403.406.506.204.0006.008.0017.5046.00
15, Drill Bit3.205.009.008.5016.0015.5015.9026.0028.5040.00140.00
China High Rotation Speed Borewell Drilling Hammers For Blast Hole Drilling supplier

High Rotation Speed Borewell Drilling Hammers For Blast Hole Drilling

Inquiry Cart 0