5'' DTH hammer

High Air Pressure with foot valve DTH Hammers

  • Item Description Weight (Kg) Part Number
    1 Top Sub 15.00 MD5501
    2 "O" Ring of Top Sub 0.01 MD5502
    3 Check Valve 1.00 MD5503
    4 Spring 0.04 MD5504
    5 Compression Buffer 0.06 MD5505
    6 Air Distributor 5.00 MD5506
    7 Internal Cylinder 4.00 MD5507
    8 Piston 16.00 MD5508
    9 External Cylinder 30.00 MD5509
    10 "O" Ring of Stop Ring 0.01 MD5510
    11 Stop Ring 0.30 MD5511
    12 Drive Chuck 7.00 MD5512
    13 Drill Bit MD5513

Advantages
According to your request, the top sub can be made into two spanners, and put protection buttons. An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge.

Technical Parameters
Length(Less bit) Weight(Less bit) External Diameter Bit Shank Hole Range Connection Thread
1214mm 79.00Kg ø125mm Cop54
DHD350R 		ø135-ø155 API 2 3/8" Reg
API 3 1/2" Reg
Working Pressure Impact Rate at 1.7Mpa Recommended Rotation Speed Air Consumption
145-350PSI
1.0-2.5Mpa 23HZ 20-30r/min 600-836CFM
5'' dth hammer

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