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Help CenterChina Supplier Rubber Flexible Consolidation Coal Hole Sealing Device
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Usage:
1 The hole sealing device is easy to use. Fully insert the device into the borehole and connect it with pressure source, then start the pressure. When the presure is raised up to 0.4MPa, the hose will be completely expanded and seal the hole. Now open the relief valve to inject water or grounting to the coal. After water in jection or grounting, you just need to back-out the connecting pipe to the hole sealing device counter clockwise. The hole sealing device will be still expanded in the borehole to ensure long-term sealing. It can effectively
2 Hole sealing device contraction: when the pressure medium is water, water suction pump is required. The compressed gas can be discharged from the supply pipe.
Packaging Details: usual woven bag 、container and so on ,as the customer request.
Delivery Detail: within 7days,10 days,15days,according the quantity
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