Technical parameters sealing diameter: 30-120mm (according to user demand for processing) Working Pressure: 1-8Mpa (according to user needs processing) starting pressure relief valve: 0.4-0.5Mpa work flow: 4-4.5 tons of water per hour ( Coal injection sealing device, coal injection grouting sealing device) sealing depth: 1M-8M hose expansion coefficient: 60% -100% rubber water tunnel with water sealing sealing device, a rubber sealing water Model, best rubber injection sealing device "credibility first, first-class service" is the consistent aim of our plant coal injection sealing device, "to provide you with the best products of rubber expansion tube filling sealing device, so that you get the maximum benefit." I plant operating principles. In addition we can provide you with all kinds of mining machinery equipment, accessories and hydraulic products, the company also sincerely welcome customers to carry out technical cooperation and new product development. The factory will continue to high-quality products, excellent service and dedication to service customers at home and abroad with a water tunnel sealing device Dongying City water _ _ Bo-rubber sealing device provided by Bo-Rubber Products Co., Ltd. Hengshui. 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!