N125A DTH Hammer NUMA125 High Air Pressure Down The Hole Hammer for Mine Rock Drilling
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N125A DTH Hammer NUMA125 High Air Pressure Down The Hole Hammer for Mine Rock Drilling
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Features
Basic Infomation
Place of Origin: Germany,China
Brand Name: ROSCHEN
Certification: ISO,CE
Model Number: ROS 120
High Light:

down hole tools

,

down hole hammer

Payment & Shipping Terms
Packaging Details: Wooden box
Supply Ability: 300pcs
Specifications
Model: Down The Hole Hammer
Name: Secoroc COP Hammer
Drills: Down The Hole Drilling, DTH Drilling
Machine: Hydraulic Crawler Drill Rig
Drillings: Water Well Drilling
Tools: Down The Hole Drilling Tools
Equipment: Surface Ground Core Drill Rig
Product Description

N125A DTH Hammer NUMA125 High Air Pressure Down The Hole Hammer for Mine Rock Drilling


N125A DTH Hammer (NUMA125)

 

Basic Info
Model NO.: NUMA125
Mining Object: Mining
Origin: Germany,China
Type: Drilling Machine
Trademark: ROSCHEN
HS Code: 84123100

 


 

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. 


Technical parameters of Numa 125 DTH hammer: 

 

Length (exclude bit) Weight (exclude bit) External Diameter Bit Shank Hole Range Connection Thread
1880 mm 470.00 kg Φ275 mm NUMA125 Φ305mm ~445mm API 6 5/8'' Reg
Working Pressure Impact rate at 0.5 MPa Recommended Rotary Speed Air Consumption
1.0 MPa 1.8 MPa 2.4 MPa
1.0 - 2.5 MPa 20 Hz 15-25 rpm 28 m³/min 50 m³/min 71 m³/min


 



 

DTH hammers
Hammer Size Bit Shank ROSCHEN Code Connection Thread Suitable bit Working pressure Air consumption
2" BR2 ROS 11  ROS 22 RD50 box ¢70-¢90mm 0.7-1.75Mpa 0.7Mpa 4.5m3/min
1.0Mpa 4m3/min
1.4Mpa 5m3/min
3" DHD3.5 ROS 32 API 2 3/8" Reg ¢90-¢110mm 1.0-1.5Mpa 1.0Mpa 4.5m3/min
COP32/COP34
M30 1.5Mpa 9m3/min
4" DHD340 ROS 34 API 2 3/8" Reg ¢110-¢135mm 1.0-2.5Mpa 1.0Mpa 6m3/min
COP44
QL40
SD4 1.8Mpa 10m3/min
M40 2.4Mpa 15m3/min
5" DHD350 ROS 52  ROS 54 API 2 3/8"Reg/API 3 1/2" Reg ¢135-¢155mm 1.0-2.5Mpa 1.0Mpa 9m3/min
COP54
QL50
SD5 1.8Mpa 15m3/min
M50 2.4Mpa 23m3/min
6" DHD360 ROS 62  ROS 64 API 3 1/2" Reg ¢155-¢190mm 1.0-2.5Mpa 1.0Mpa 10m3/min
COP64
QL60
SD6 1.8Mpa 20m3/min
M60 2.4Mpa 28.5m3/min
8" DHD380 ROS 82  ROS 84 API 4 1/2" Reg ¢195-¢254mm 1.0-2.5Mpa 1.0Mpa 15m3/min
COP84
QL80 1.8Mpa 26m3/min
SD8 2.4Mpa 34m3/min
10" SD10 ROS 100 API 6 5/8" Reg ¢254-¢311mm 1.0-2.5Mpa 1.0Mpa 22m3/min
Numa100 1.8Mpa 40m3/min
ROS 100 2.4Mpa 55m3/min
12" DHD1120 ROS 120 API 6 5/8" Reg ¢305-¢445mm 1.0-2.5Mpa 1.0Mpa 30m3/min
SD12 1.8Mpa 56m3/min
Numa120 2.4Mpa 78m3/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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Get in touch with us
Contact Person : Mr. Bill, George, Michael
Tel : 13764195009
Fax : 86-021-54380177
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