ND25 Bit Shank Borewell Hammer For Downhole Drilling Equipment

Brand Name:New Diamond
Certification:ISO9001:2008
Model Number:ND series hammers
Minimum Order Quantity:Negotiable
Delivery Time:5-8 work days
Payment Terms:L/C, T/T, Western Union
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Location: Yueyang Hunan China
Address: PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.
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Product Details

ND25 Bit Shank Borewell Hammer For Downhole Drilling Equipment


Description


NEWDIMOND hammers Widely used in geotechnical engineering to wear all kinds of hard in the hard, hard and other hard to drill tough rock. The low-pressure impactor is a valve type central exhaust impactor. The effect of discharging the rock powder is good, the repeated crushing of the rock slag is reduced, the wear of the drill bit is reduced, the drilling efficiency is improved, and the interior of the impactor is designed by using a new rock drilling theory. The size of the structure makes the impactor get the ideal energy transmission, with a single impact power, faster rock-drilling speed, and lower air consumption; using high-quality raw materials and advanced processing technology, the performance is more stable and the service life is longer. Disassembly easy, low failure, easy maintenance. Suitable for mining, quarry, road and other projects drilling blasting holes, landslide protection, dam reinforcement, anchoring and other engineering holes, geothermal air-conditioning, hydrology, water wells and other fields.


1, using the latest contemporary rock drilling theory design of the internal structure of the impactor, the impactor to obtain the best energy transfer, drilling speed, low consumption of air.
2, using high-quality raw materials and advanced processing technology, stable performance and long life.
3, using a simple and reliable and easy assembly and disassembly of the internal structure, easy maintenance.


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 ShankND25IR35COP44/DHD340COP44/DHD340COP54/DHD350RCOP54/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".


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


China ND25 Bit Shank Borewell Hammer For Downhole Drilling Equipment supplier

ND25 Bit Shank Borewell Hammer For Downhole Drilling Equipment

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