Rigid waterproof casing is a steel pipe plus wing ring (steel ring set made on the pipe), mounted on the wall (mostly concrete walls), for general pipe through the wall, the wall of water through walls conducive waterproof casing, and flexible waterproof casing addition to the external wing ring, internal as well as stalls circle like, Falanneisi, complete sets sold, can also be processed waterproof casing own price, there is damping the need for waterproof casing pipe manufacturers such as pumps and pipes when connected through the wall. For the interior of the sleeve over the building, how beneficial maintenance, no experience, I am afraid is not good imagination. When the pipe installation, the operator of a large range of space utilization, you can freely use. Users check after repair, and replacement of the pipe (reached the age, etc.), an operator space is very limited. Only use pipe supports, pipe and casing temporarily fixed, the appropriate action. Waterproof casing model, waterproof casing, Serco supply materials provided by Serco Gongyi City Water Supply Materials Limited. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) strong, credible, in Zhengzhou, Henan valve industry has accumulated a large number of loyal clients. The company better work attitude and constantly improving innovative ideas will lead Serco supply material and you work into the brilliant, for a better future!