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  • HD HD55 DTH HAMMER

    High Air Pressure 3"4"5"6"8" | API 3 1/2" Reg

     

     

    Description of HD55 DTH HAMMER :

     

    Dth hammer feartures


    1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption


    2. Smooth performance and long service life


    3. Low problem rate and easy to maintenance


    4. Easy to depart bit from hammer


    5. Interchangeable with dth bit and drill pipe

     

     

     

    Specification of HD55 DTH HAMMER :

     

    DTH hammer type

    HD35

    HD45

    HD55

    Length(less bit)

    930mm

    1030mm

    1170mm

    Weight(less bit)

    24.5kg

    39.2kg

    71.5kg

    External diameter

    Φ81mm

    Φ99m

    Φ125m

    Bit shank

    IR3.5”COP34

    COP44/DHD340

    COP54/DHD350R

    Hole range(mm)

    Φ90-110

    Φ110-135

    Φ135-155

    Connection thread

     

    API 2 3/8” Reg.

    API 2 3/8” Reg.

    API 2 3/8” Reg.

     

     

    API 3 1/2” Reg.

    Working pressure

    0.5-2.5Mpa

    0.5-2.5Mpa

    0.5-2.5Mpa

    Impact rate at 17 Bar

    28Hz

    27Hz

    25Hz

    Recommended

    Rotation speed

    28r/min

    25-40r/min

    20-30r/min

    Air consumption

    10bar

    80L/s

    100L/s

    1450L/s

    18bar

    1600L/s

    180L/s

    280L/s

    24bar

    210L/s

    250L/s

    390L/s

     

    DTH hammer type

    HD55C

    HD65

    HD85

    Length(less bit)

    1160mm

    1248mm

    1487mm

    Weight(less bit)

    70.00kg

    98.00kg

    188.00kg

    External diameter

    Φ125mm

    Φ142m

    Φ180m

    Bit shank

    HD55C DHD350Q

    COP64/DHD360

    COP84/DHD380

    Hole range(mm)

    Φ135-155

    Φ155-190

    Φ195-254

    Connection thread

     

    API 2³/8” Reg.

    API 2³/8” Reg.

    API 41/2” Reg.

    API 31/2” Reg.

     

     

    Working pressure

    0.5-2.5Mpa

    0.5-2.5Mpa

    0.5-2.5Mpa

    Impact rate at 17 Bar

    25Hz

    23Hz

    20Hz

    Recommended

    Rotation speed

    20-30r/min

    15-25r/min

    15-20r/min

    Air consumption

    10bar

    140L/s

    175L/s

    190L/s

    18bar

    280L/s

    3400L/s

    370L/s

    24bar

    390L/s

    475L/s

    495L/s

     

     

     

     

     


     

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