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Special Design for Overburden Casing System - Concentric casing system with wings – Spark Featured Image
  • Special Design for Overburden Casing System - Concentric casing system with wings – Spark
  • Special Design for Overburden Casing System - Concentric casing system with wings – Spark

Special Design for Overburden Casing System - Concentric casing system with wings – Spark

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Special Design for Overburden Casing System - Concentric casing system with wings – Spark Detail:

Application

Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand.

Component parts

Concentric casing system with wings

Operation procedure

Concentric casing system with wings2

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

The locking kit is very reliable, it prevents the wings falling off.
Ralated part list

Concentric casing system with wings2
Concentric casing system with wings6
Concentric casing system with wings

Specification of concentric casing system with blocks

Concentric casing system with wings7

 

D

 

h

H

C

G

 

 

 

Model

O.D. of Casing Tube (mm)

I.D. of Casing Tube (mm)

Wall thickness (mm)

Guide device max. Dia. (mm)

Reamed Dia.

(mm)

Min. I.D. of Casing shoe (mm)

Qty. of  the wings

Hammer Type

Weight（KG）

T90

114

101

6.5

99

125

90

2

COP34/DHD3.5

15

T115

146

126

10

124

157

117

2

COP44/DHD340/SD4/QLX40

20.3

T136

168

148

10

146

180

136

2

COP54/DHD350/SD5/QL50

33.4

T142

178

158

10

154

195

142

2

COP54/DHD350/SD5/QL50

38.8

T160

194

174

10

172

206

160

2

COP54/DHD350/SD5/QL50

46.4
Product detail pictures:

Special Design for Overburden Casing System - Concentric casing system with wings – Spark detail pictures

Special Design for Overburden Casing System - Concentric casing system with wings – Spark detail pictures

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We thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for Special Design for Overburden Casing System - Concentric casing system with wings – Spark , The product will supply to all over the world, such as: Portland, Slovakia, Congo, We have the best products and professional sales and technical team.With the development of our company, we are able to provide customers best products, good technical support, perfect after-sales service.
    • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Hulda from Tunisia - 2017.03.08 14:45
    We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Florence from Naples - 2018.12.30 10:21
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