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

Categories Down The Hole Hammer
Brand Name: New Diamond
Model Number: ND series
Certification: ISO9001:2008
Place of Origin: Hunan, China (Mainland)
MOQ: Negotiable
Price: Negotiable
Payment Terms: L/C, T/T, Western Union
Supply Ability: According to order quantity
Delivery Time: 5-8 work days
Packaging Details: Carton packaging and wooden box packing
Type: hammers
Processing Type: Forging
Use: Ore Mining
Color: Required
Application: MARBLE QUARRY OR WELL DRILLING
Material: Alloy Steel
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High Air Pressure Earth Drilling Tools With Foot Valve For Rock Chisel , ND Series

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)ND35ND45ND55ND55CND65ND85ND1120
930mm1045mm1214mm1160mm1248mm1492mm1900mm
Weight(Without Bit)25.00kg39.00kg76.50kg72.50kg100.00kg188.00kg480.00kg
External DiameterØ82mmØ99mmØ126mmØ126mm

Ø142mm Ø144mm

Ø146mm Ø148mm

Ø180mm/Ø185mmØ275mm
Bit ShankNHD3.5

COP44/

DHD340

COP54/

DHD360

COP55C/

DHD350Q

COP64/

DHD360

COP84/

DHD380

CDHD1120
Hole RangeØ90-Ø110mmØ110-Ø135mmØ135-Ø155mmØ135-Ø155mmØ155-Ø190mmØ195-Ø254mmØ305-Ø445mm
Connection ThreadAPI2 3”/8REGAPI2 3”/8REG

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REGAPI4 1”/2REGAPI6 5”/8REG
Working Pressure1.0-1.5Mpa1.2-2.0Mpa1.3-2.3Mpa1.3-2.3Mpa1.5-2.5Mpa1.5-3.0Mpa2.0-3.5Mpa
Impact Rate at 17 Bar28HZ27HZ25HZ25HZ23HZ27HZ16HZ
Recommended Rotation Speed25-40r/min25-40r/min20-35r/min20-35r/min20-30r/min20-30r/min15-25r/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 DescriptionWeight(kg)
ND35ND45ND55ND55CND65ND85ND1120
Top Sub4.206.5015.0013.7020.0041.0070.00
“O” Ring Of Top Sub0.010.010.010.010.020.020.04
Breakout Ring0.010.200.80
Chenck Valve0.200.421.001.001.001.503.00
Spring0.020.040.040.040.040.100.10
Compression Buffer0.040.040.080.080.080.421.00
Air Distributor1.402.203.703.505.0012.5020.00
Internal Cylinder1.602.304.504.205.008.6023.00
Piston5.409.0015.5017.2023.6041.00125.00
External Cylinder9.5015.0030.0026.5036.8062.00170.00
Guided Sleeve1.202.409.6016.00
“O” Ring Of Stop Ring0.010.010.010.020.020.020.04
Stop Ring0.200.200.300.500.601.204.50
Breakout Ring0.010.200.80
Drive Chuck1.953.506.404.506.0017.5048.00
Drill Bit5.009.0016.0015.6026.0040.00120.00
Product Tags:

dth hammer

  

rock mining tools

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