FOB Price
Get Latest Price100 ~ 1000 USD / Set
|1 Set Minimum Order
Country:
China
Model No:
Concentric system-01
FOB Price:
100 ~ 1000 USD / Set Get Latest Price
Place of Origin:
-
Price for Minimum Order:
100 per Set
Minimum Order Quantity:
1 Set
Packaging Detail:
wooden cases
Delivery Time:
7days after received the advance payment
Supplying Ability:
10000 Set per Month
Payment Type:
D/P, D/A, L/C, T/T
Product Group :
China
Contact Person Mr. Jack
No.2 Hongye road,Qingbaijiang district, Chengdu, Sichuan
Concentric Overburden Driling System (High Air
Pressure)
Feature:
On the basis of Eccentric Overburden Casing
Systems, our factory created the Concentric Overburden Driling
System, also called as the Five Sets, which has won design research
and development patent.
Working
Principles:
A. When drilling, the reamer swings out and
drills a hole larger than the externa diameter of the casing
tube.
B. When the required depth has been reached, the drill is reversed
and the reamer swings in to its minimum diameter, allowing the bit
to be lifted up through the casing, which is left in the hole.
C. Drilling can continue with an ordinary DTH drill
bit.
THREE
reamer wings advantages:
1. multi-orientation simultaneously crush, so as
to bear stress evenly and subsequently impact resistance.
2. dislaging easily
3. Drilling rod and casing could accelerate following
up.
4. Operation, assemble and unassembled the
equipment is easy.
5. Multi-axis suspension is adopted, to avoid reamer from falling
of.
| Type |
Hole Diameter (mm) |
NO. Air Hole | Gauge Buttons |
Front Buttons |
Casing Size ( Wall Thickness * Outerdiameter) |
Size (Diameter*L) |
Weight (KG) |
Hole deep(m) （f=4~6） |
Match DTH Hammer |
| DR146 | Φ156 | 3 | Φ14*6 | Φ14*5 | Φ146(5~7.5) | Φ129X405 | 24 | 300~1000 | DR340 |
| DR168 | Φ182 | 3 | Φ14*6 | Φ14*6 | Φ168(5~10) | Φ146X550 | 30 | 300~1000 | DR350 |
| DR183 | Φ196 | 3 | Φ14*8 | Φ14*8 | Φ183(5~10.5) | Φ161X688 | 38 | 300~1000 | DR350/360 |
| Country: | China |
| Model No: | Concentric system-01 |
| FOB Price: | 100 ~ 1000 / Set Get Latest Price |
| Place of Origin: | - |
| Price for Minimum Order: | 100 per Set |
| Minimum Order Quantity: | 1 Set |
| Packaging Detail: | wooden cases |
| Delivery Time: | 7days after received the advance payment |
| Supplying Ability: | 10000 Set per Month |
| Payment Type: | D/P, D/A, L/C, T/T |
| Product Group : | Casing system |
