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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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NRC Reverse Circulation Hammer DTH hammer 1.0-3.5Mpa Working Pressure

Hunan New Diamond Construction Machinery Co., Ltd.
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Hunan New Diamond Construction Machinery Co., Ltd.
City: Yueyang
Province/State: Hunan
Country/Region: China
Contact Person:Mr Rick Liao

NRC Reverse Circulation Hammer DTH hammer 1.0-3.5Mpa Working Pressure

Brand Name : New Diamond
Model Number : Reverse Circulation Hammer
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
Length(Without Bit) : 1020-1208mm
External Diameter : Ø99-Ø146mm
Hole Range : Ø114-Ø190mm
Working Pressure : 1.0-3.5Mpa
Recommended Rotation Speed : 25-40 r/min
Air Consumption : 1.0Mpa:8m³/min-3.0Mpa:28m³/min
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Description



Shank : NRC45,NRC55,NRC65,PR52


When percussion or hammer drilling the percussion mechanism is called a DTH or down the hole hammer. This drilling tool is located directly above the down hole hammer bit. The driller transfers weight to the bit through the drill pipe as well as provides some rotation. Through the use of a compressor, the pressurized air is forced to the down hole hammer. As the drilled hole gets deeper the driller adds more drill pipe to the string. The piston strikes the impact zone of the hammer bit; hammers are always used as part of a casing advancement system and can be used in reverse circulation applications. DTH hammers are common when drilling blast holes and water wells.


Applications


Our DTH hammer are widely applied to open pit and underground mining to drill blasting holes, drainage holes, ventilation holes, center holes or blasting holes of raising boring, pipe holes and other deep holesin all various strength rocks, such as quarry exploitation, earthwork projects, water-well, constructionsand so on.



Technical Data
Length(Without Bit)NRC45NRC55NRC65NRC52
1020mm1111mm1250mm1208mm
Weight(Without Bit)94.00 kg66.50 kg110.00kg70.00kg
External DiameterØ99mmØ126mmØ146mmØ126mm
Bit ShankNRC45NRC55NRC65PR52
Hole RangeØ114-Ø127mmØ133-Ø15mmØ155-Ø190mmØ133-Ø146mm
Connection Threadcustomcustomcustomcustom
Working Pressure1.0-3.0Mpa1.5-3.5Mpa1.5-3.5Mpa1.5-3.5Mpa
Impact Rate at 17 Bar30HZ35HZ28HZ35HZ
Recommended Rotation Speed25-40 r/min25-40 r/min25-40 r/min25-40 r/min
Air Consumption

1.0Mpa:8m³/min

1.8Mpa:12m³/min

2.4Mpa:16m³/min

1.7Mpa:16m³/min

2.4Mpa:22m³/min

3.0Mpa:28m³/min

1.7Mpa:20m³/min

2.0Mpa:26m³/min

3.0Mpa:35m³/min

1.7Mpa:16m³/min

2.4Mpa:22m³/min

3.0Mpa:28m³/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.



Product Tags:

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