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Rotary Screw Air Compressor

  • Industral Piston Air Compressor
  • Dth Drilling Rig
  • Rock Drill
  • Drilling Dth Hammer
  • Drilling Dth Bits

    used for borehole | down hole drilling tools



    Description of LOW PRESSURE DTH HAMMER :

    90mm cir90 dth hammer


    90mm cir90 dth hammer 90a is part of down hole rig.90a hammer is used for borehole in coal mine,iron mine and water well etc.Original thread of dth hammer 90a is T48*10.By the way,thread API 2 3/8” reg can be customized for rod 76mm.Button bit 90mm is standard diameter for hammer 90a.Other diameter is 100mm,110mm,120mm,130mm.Also like 95mm diameter can be customized.

    Iron valve piece

    Length: 796mm
    OD of hammer: Φ80mm
    Diameter of hole: Φ90-100mm
    Working air pressure:5-7bar
    Air consumption:6m3/min
    Impact frequency:>=840 times/min
    Matched pipe:Φ50Φ60Φ76








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