Hunan New Diamond Construction Machinery Co., Ltd.
                                                                                                           
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15 Years
Since 2011
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1545 - 1880mm Length Down The Hole Hammer For Mining , Water Well Drilling

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: 5-8 work days
Brand: New Diamond
Product Description

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

Technical Data

Length(Without Bit)

N100A N120A N125A
1545mm 1880mm 1880mm

Weight(Without Bit)

305.00kg 475.00kg 470.00kg

External Diameter

Ø226mm Ø275mm Ø275mm

Bit Shank

NUMA100 NUMA120 NUMA125

Hole Range

Ø254-Ø311mm Ø305-Ø445mm Ø305-Ø445mm

Connection Thread

API4 1/2REG

API5 1”/2REG

API5 1/2REG

API6 5”/8REG

API5 1/2REG

API6 5”/8REG

Working Pressure

2.0-3.5Mpa 2.0-3.5Mpa 2.0-3.5Mpa

Impact Rate at 17 Bar

20HZ 20HZ 20HZ

Recommended Rotation Speed

15-25r/min 15-25r/min 15-25r/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

 

Advantages:

Our DTH hammer and bits has following advantages:

Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of DTH hammer designed according to newest rock drilling theory.

Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced
processing technology adapted.

Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of hammer.

Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.

Interchangeable with DTH bit and dill pipe manufactured by many brands all over the world.

 

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hunan New Diamond Construction Machinery Co., Ltd.
Location PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.
Contact Person Rick Liao

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