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Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate

Hunan New Diamond Construction Machinery Co., Ltd.
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    Buy cheap Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate from wholesalers
     
    Buy cheap Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate from wholesalers
    • Buy cheap Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate from wholesalers

    Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate

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    Brand Name : New Diamond
    Model Number : NM series Hammer
    Certification : ISO9001:2008
    Price : Negotiable
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : According to order quantity
    Delivery Time : 5-8 work days
    • Product Details
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    Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate

    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.

    It also has the following advantages:

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


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


    3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble

    inner structure of hammer.


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


    5. Interchangeable with DTH bit and drill pipe.


    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


    NM Series High Air Pressure DTH Hammers Without Foot Valve

    Technical Data

    Length(Without Bit)NM4ANM5ANM6ANM8A
    1005mm1110mm1161mm1338mm
    Weight(Without Bit)40.00kg68.50kg90.00kg176.00kg
    External DiameterØ99mmØ126mm

    Ø142mm Ø144mm

    Ø146mm Ø148mm

    Ø180/Ø185mm
    Bit ShankNM4NM5NM6NM8
    Hole RangeØ110-Ø135mmØ155-Ø190mmØ155-Ø203mmØ195-Ø254mm
    Connection ThreadAPI2 3”/8REG

    API2 3”/8REG

    API3 1”/2REG

    API2 7”/8REG

    API3 1”/2REG

    API2 7”/8REG

    2 7”/8 IF

    API4 1”/2REG
    Working Pressure1.2-2.0Mpa1.3-2.3Mpa1.5-2.5Mpa1.5-3.0Mpa
    Impact Rate at 17 Bar30HZ28HZ25HZ22HZ
    Recommended Rotation Speed25-40r/min20-35r/min20-30r/min15-25r/min
    Air Consumption

    1.0Mpa:5.0m³/min

    1.8Mpa:9.0m³/min

    2.4Mpa:14.0m³/min

    1.0Mpa:7.0m³/min

    1.8Mpa:14.0m³/min

    2.4Mpa:19.0m³/min

    1.0Mpa:9.0m³/min

    1.8Mpa:18.0m³/min

    2.4Mpa:26.0m³/min

    1.0Mpa:12.0m³/min

    1.8Mpa:22.0m³/min

    2.4Mpa:28.0m³/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.


    NM Series High Air Pressure DTH Hammers Without Foot Valve
    Item DescriptionWeight(kg)
    NM4ANM5ANM6ANM8A
    1, Top Sub6.5013.7020.0034.00
    2, “O” Ring Of Top Sub0.100.0150.0150.015
    3, Breakout Ring---0.30
    4, Chenck Valve0.350.700.701.20
    5, Spring0.050.100.100.10
    6, Air Distributor1.502.003.506.00
    7, Internal Cylinder2.102.804.206.50
    8, Piston8.5015.0023.0042.50
    9, External Cylinder14.8024.0026.0061.00
    10, Guided Sleeve1.802.604.805.30
    11, “O” Ring Of Stop Ring0.0050.010.010.01
    12, Stop Ring0.300.700.801.50
    13, Breakout Ring---0.30
    14, Drive Chuck3.806.504.2017.30
    15, Drill Bit6.6013.5023.0031.00
    Quality Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate for sale
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