Introduction to Coal seam sealing water injection sealing device product structures and Applications seam sealing is composed of high-pressure water swelling rubber hose, safety valves, quick connector components. Coal injection sealing device is mainly used in the media or rock grouting, when water and subsequent plugging holes. Coal water, dust, falling coal pressure, cracking of coal, gas and other emissions. Coal injection sealing device mainly used in coal mining, prevention and treatment of gas, dust, water conservancy and hydropower construction projects rubber expansion pipe water sealing, anti-leakage construction, mining tunnels, underground and pouring cement. Water from the coal wall tubing and external cavity tubes sealing device. Tubing front end sealing seam water injection nozzle Model, after the nozzle is connected to the inner tube, the tube tail pipe handle, suit in the lumen of the outer tube has a tapered front end of the tunnel nut filling sealing device, a conical After the nut has a soft rubber sleeve and steel sleeve 8,9, steel sleeve is connected to the outer tube after 9, the outer tube outer tube rear handle. The utility model can effectively reduce coal dust. Rubber sealing expansion pipe water, a water sealing device, Bo-Bo-rubber provided by Hengshui Rubber Products Limited. Hengshui Bo-Rubber Products Co., Ltd. (www.jxboguang.com/) strong, credible, Hebei Hengshui transportation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Bo-Rubber and you hand into the brilliant, for a better future!