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DMP Grouting Packer
Product Applications
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
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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 |
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