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       TEL : +86-592-5601702  5682036


       E-mail: sales@quarryingtools.com


       Address: Unit 8001, Part A, Minnan Culture Town, 

       No.350, Changle Road, Huli, Xiamen China.361006


                   




DHD360 DHD380 High Air Pressure DTH Hammer

DHD360 DHD380 High Air Pressure DTH Hammer

DTH Hammers are ranges six main series from 3.5" to 18", it serves to drilling projects in mining,water well,geothermal,foundation, oil and gas.

DHD360 DHD380 High Air Pressure DTH Hammer

 DTH hammer is our main product. With professional manufacturing experience of dth hammer production, our factory can supply you with high air pressure and medium to low air pressure dth hammer. It has the following advantages:

1) Deliver maximum energy to drill bit, fast drilling spped and low air consumption due to the special inner structure of DTH hammer.

2) Smooth performance and long service life of DTH hammer.

3) Low problem rate and easy to maintanence.

4) Interchangeable with DTH bit and drill pipe.

DHD360 DTH HAMMER

 

DHD 360 DTH HAMMER
 Down the hole Drill bit DTH hammer DHD360Item DescriptionWeightKgPart Number1 Top Sub20.00D65012 "O" Ring of Top Sub0.02D65023 Check Valve1.00D65034 Spring0.04D65045 Compression Buffer0.08D65056 Air Distributor5.00D65067 Internal Cylinder5.00D65078 Piston23.60D65089 External Cylinder36.80D650910 Guided Sleeve2.40D651011 "O" Ring of Stop Ring0.02D651112 Stop Ring0.60D651213 Drive Chuck6.00D651314 Drill Bit26.00D6514According 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 Data
Length(Less bit)Weight(Less bit)External DiameterBit ShankHole RangeConnection Thread
1248mm100.00KgΦ142mmDHD360Φ155-Φ190

API 3 1/2" Reg

Working PressureImpact Rate at 1.7 MpaRecommended Rotation SpeedAir Consumption
1.0Mpa1.8Mpa2.4Mpa
1.0-2.5Mpa25HZ20-30r/min10m³/min20m³/min28.5m³/min

 





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