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Permeability Rock Geotechnical Lugeon Test Equipment: tightened, the packers are inflated and water is then pumped through the tighthead down the rods, through the packers and into the formation. ModelOD (mm)Expansion of scope (mm)Hole dia. (mm)Working ...

Coal Seam Gas Drainage and Sealing Device: 4530-5081632φ16 - 416 ± 0.536 ± 1.535-4536-50203040φ19 - 219 ± 0.536 ± 1.540-5036-6081632φ19 - 419 ± 0.540 ± 2.040-5040-60203040φ22 - 222 ± 0.539 ± 2.045-5539-8061224φ22 - 422 ± 0.545 ± ...

Water Injection Hole Packer: 4530-5081632φ16 - 416 ± 0.536 ± 1.535-4536-50203040φ19 - 219 ± 0.536 ± 1.540-5036-6081632φ19 - 419 ± 0.540 ± 2.040-5040-60203040φ22 - 222 ± 0.539 ± 2.045-5539-8061224φ22 - 422 ± 0.545 ± ...

Cement Grouting Packer: 45 8 16 32 φ19-4 19±0.5 40±2.0 60 +8/-2 45 20 30 40 Φ22-2 22±0.5 39±2.0 80 +8/-4 50 6 12 24 Φ22-4 22±0.5 45±2.0 80 +8/-4 50 20 30 40 Φ25-2 25±0.5 42±2.0 90 +8/-4 65 6 12 24 Φ25-4 25±0.5 48±2.0 85 ...

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Permeability Rock Geotechnical Lugeon Test Equipment