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SD12A DTH Hammer (SD12) Down The Hole Hammer for Quarries Drilling

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SD12A DTH Hammer (SD12) Down The Hole Hammer for Quarries Drilling

Country/Region china
City & Province shanghai shanghai
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Product Details

SD12A DTH Hammer (SD12) 


SD12A DTH Hammer (SD12) Down The Hole Hammer for Quarries Drilling  



 

Roschen down the hole hammer for Mining, quarries, highways and other projects drilling blasting holes, retaining the hole, the mountain reinforcement, anchoring and other engineering holes, geothermal air conditioning holes, wells and other fields.


 

Basic Info
Model NOQL6A-Match bit shank QL60
ConditionNew
Mining ObjectMining
Transport PackagePoly Wood
OriginGermany China
UsageCoal, Ore, Water Well
Power TypePneumatic
TrademarkROSCHEN
SpecificationISO,CE
HS Code8412310090


 

 

Description: 


It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.


 

It has the following advantages: 


1. Out of the trouble of foot valve fracture and expansion and contraction.


2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.


3. Simple structure, reliable parts, long life, easy and cheap maintenance.


4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.



 

Length (exclude bit)Weight (exclude bit)External DiameterBit ShankHole RangeConnection Thread
1860 mm480.00 kgΦ275 mmSD12Φ305mm ~ Φ445mmAPI 6 5/8'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa2.4 MPa
1.0 ~ 2.5 MPa20 Hz15~25 rpm28 m³/min50 m³/min71 m³/min



 

 

DTH hammers Specifications
Hammer SizeBit ShankROSCHEN CodeConnection ThreadSuitable bitWorking pressureAir consumption
2"BR2ROS 11 ROS 22RD50 box¢70-¢90mm0.7-1.75Mpa0.7Mpa4.5m3/min
1.0Mpa4m3/min
1.4Mpa5m3/min
3"DHD3.5ROS 32API 2 3/8" Reg¢90-¢110mm1.0-1.5Mpa1.0Mpa4.5m3/min
COP32/COP34
M301.5Mpa9m3/min
4"DHD340ROS 34API 2 3/8" Reg¢110-¢135mm1.0-2.5Mpa1.0Mpa6m3/min
COP44
QL40
SD41.8Mpa10m3/min
M402.4Mpa15m3/min
5"DHD350ROS 52 ROS 54API 2 3/8"Reg/API 3 1/2" Reg¢135-¢155mm1.0-2.5Mpa1.0Mpa9m3/min
COP54
QL50
SD51.8Mpa15m3/min
M502.4Mpa23m3/min
6"DHD360ROS 62 ROS 64API 3 1/2" Reg¢155-¢190mm1.0-2.5Mpa1.0Mpa10m3/min
COP64
QL60
SD61.8Mpa20m3/min
M602.4Mpa28.5m3/min
8"DHD380ROS 82 ROS 84API 4 1/2" Reg¢195-¢254mm1.0-2.5Mpa1.0Mpa15m3/min
COP84
QL801.8Mpa26m3/min
SD82.4Mpa34m3/min
10"SD10ROS 100API 6 5/8" Reg¢254-¢311mm1.0-2.5Mpa1.0Mpa22m3/min
Numa1001.8Mpa40m3/min
ROS 1002.4Mpa55m3/min
12"DHD1120ROS 120API 6 5/8" Reg¢305-¢445mm1.0-2.5Mpa1.0Mpa30m3/min
SD121.8Mpa56m3/min
Numa1202.4Mpa78m3/min
Notes: Metzke, Remet thread is available!



 

 

For more information please contact:



 

ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED

 

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

 

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

 

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

 

Email: roschen@roschen.com ; roschen@roschen.net

 

Website: http://www.roschen.net ; http://www.roschen.cn

 

http://www.roschen.com ; http://www.roschengroup.com

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