Click image to view original image
1. Coal mine engineering, such as water injection, reduce dust, pressure drop, split coal, gas emissions.
2. Coal or rock engineering, such as grouting, water injection and blocking of grouting holes .
3. Hydropower, reservoir engineering, such as Curtain grouting, consolidation grouting, backfill grouting, chemical grouting and cement grouting.
4. Water pressure test of Geological Survey, Consolidation, plugging of Drilling, Etc.
Main technical
|
Type |
Hole diameter
mm |
Max outside diameter
mm |
Max expansion outside diameter
mm |
Max pressure grouting
MPa |
|
DMP-42
|
42
|
38
|
60
|
7
|
|
DMP-56
|
56
|
45
|
70
|
7
|
|
DMP-60
|
60
|
54
|
85
|
7
|
|
DMP-65
|
65
|
58
|
90
|
7
|
|
DMP-75
|
75
|
67
|
95
|
7
|
|
DMP-91
|
91
|
74
|
105
|
7
|
|
DMP-110
|
110
|
87
|
135
|
5
|
|
DMP-140
|
140
|
128
|
165
|
3
|
