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OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - Concentric casing system with blocks – Spark Featured Image
  • OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - Concentric casing system with blocks – Spark

OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - Concentric casing system with blocks – Spark

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OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - Concentric casing system with blocks – Spark Detail:

Application

Piling, anchoring, foundation

Component parts

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Operation procedure

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Step1: When drilling starts, the system drives the casing shoe and casing tube move down.
Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole.
Step3: If the hole have reach the desired depth, finish the drilling and continue other process.
Step4: If you still want to drill deeper, use the conventional DTH bit to drill to the desired depth.

Advantages

Reliable performance, easy to retrieval

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Ralated part list

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Specification of concentric casing system with blocks

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D

 

h

H

C

G

 

 

 

Model

O.D. of Casing Tube (mm)

I. D. of Casing Tube (mm)

Wall thickness of casing (mm)

Guide device max. Dia. (mm)

Reamed Dia.

(mm)

Max. dia. of normal bit (mm)

Qty. of blocks

Hammer Type

Weight（KG）

T185

219

199

10

197

234

185

3

COP64/DHD360/SD6/QL60/M60

61

T210

245

225

10

222

260

210

3

COP84/DHD380/SD8/QL80/M80

88

T240

273

253

10

251

305

240

3

COP84/DHD380/SD8/QL80/M80

96.5

T280

325

305

10

302

350

240

3

COP84/DHD380/SD8/QL80/M80

115

T305

355

325

10

322

380

305

3

DHD112/NUMA120/SD12

214

T365

406

382

12

380

432

365

4

DHD112/NUMA120/SD12

254

T432

480

454.6

12.7

450

505

432

4

TK14

415

T460

508

482.6

12.7

479

534

461

4

NUMA180

630

T510

560

534.6

12.7

530

590

510

4

NUMA180

730

T553

610

584.6

12.7

582

639

553

4

NUMA180

895

T596

660

628

16

625

690

596

4

NUMA180

946

T645

711

679

16

675

741

645

4

NUMA180

1010

T694

762

730

16

726

792

694

4

NUMA240

1595

T744

813

781

16

776

845

744

6

NUMA240

2436

T846

914

882

16

878

946

846

6

NUMA240

2756

T948

1016

984

16

980

1050

948

6

NUMA240

3076

 

Product detail pictures:

OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - Concentric casing system with blocks – Spark detail pictures

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All we do is often involved with our tenet Purchaser to start with, Rely on initially, devoting over the food stuff packaging and environmental defense for OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - Concentric casing system with blocks – Spark , The product will supply to all over the world, such as: Macedonia, New Zealand, Iraq, We welcome customers from all over the world come to discuss business. We supply high quality products, reasonable prices and good services. We hope to sincerely build business relationships with customers from at home and abroad, jointly striving for a resplendent tomorrow.
    • The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Betty from Juventus - 2018.02.12 14:52
    Hope that the company could stick to the enterprise spirit of Quality, Efficiency, Innovation and Integrity, it will be better and better in the future.
    5 Stars By Sabrina from Zimbabwe - 2018.12.22 12:52
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