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Coal Seam Gas Drainage and Sealing Device

Coal Seam Gas Drainage and Sealing Device
Gas drainage hole packer has all the functions of water injection hole packer, such as water injection, reducing gas content, improving coal humidity and preventing explosion accident. Besides, it ...

Water Injection Hole Packer

Water Injection Hole Packer
Water injection hole packer is used to inject water to coal, which can reduce the gas content and dust. As a result, it can improve the safety coefficient of mine construction and production greatly. ...

Cement Grouting Packer

Cement Grouting Packer
Dust Control in Coal Mines 3. Methane Gas Control and Collection in Mines 4. Sealing Elements in Soil or Boreholes 5. Water Sampling Testing 6. Hydraulic Fracturing Testing 7. Permeability Testing 8. ...
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