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N Series Borewell / Rock Drill Accessories DTH Hammer No Foot Valve

Categories Down The Hole Hammer
Brand Name: New Diamond
Model Number: N 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
Material: Alloy Steel
Usege: Mining&Construction&Water Well Drilling
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N Series Borewell / Rock Drill Accessories DTH Hammer No Foot Valve

Description


Down the hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. An impact device arranged in the front of the top hammer transfers the impact powderto a down-the-hole bit to crush rocks.


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


N Series High Air Pressure DTH Hammers Without Foot Valve

Technical Data

Length(Without Bit)N100AN120AN125A
1545mm1880mm1880mm
Weight(Without Bit)305.00kg475.00kg470.00kg
External DiameterØ226mmØ275mmØ275mm
Bit ShankNUMA100NUMA120NUMA125
Hole RangeØ254-Ø311mmØ305-Ø445mmØ305-Ø445mm
Connection Thread

API4 1/2REG

API5 1”/2REG

API5 1/2REG

API6 5”/8REG

API5 1/2REG

API6 5”/8REG

Working Pressure2.0-3.5Mpa2.0-3.5Mpa2.0-3.5Mpa
Impact Rate at 17 Bar20HZ20HZ20HZ
Recommended Rotation Speed15-25r/min15-25r/min15-25r/min
Air Consumption

1.0Mpa:22.0m³/min

1.8Mpa:40.0m³/min

2.4Mpa:65.0m³/min

1.0Mpa:28.0m³/min

1.8Mpa:50.0m³/min

2.4Mpa:71.0m³/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".


The appearance of the picture is different from that of the actual product, and the actual product is the standard.

N Series High Air Pressure DTH Hammers Without Foot Valve
Item DescriptionWeight(kg)
N100AN120AN125A
1,Top Sub59.0070.0070.00
2,“O” Ring Of Top Sub0.030.040.04
3,Breakout Ring0.500.800.80
4,Chenck Valve1.402.002.00
5,Spring0.300.100.10
6,Air Distributor10.5016.0016.00
7,Internal Cylinder12.5025.0025.00
8,Piston77.00113.00113.00
9,External Cylinder110.00170.00170.00
10,Guided Sleeve4.5025.0023.00
11,“O” Ring Of Stop Ring0.020.010.01
12,Stop Ring1.904.504.00
13,Breakout Ring0.500.800.80
14,Drive Chuck25.5048.0045.00
15,Drill Bit106.00164.00175.00
Product Tags:

dth hammer

  

rock mining tools

  
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