Pipeline crossing foundation, walls, floors, etc. Which is cheaper when the waterproof casing, avoid pipeline (pressure pipes, casing parameters such as waterproof, water supply, heating, etc.) when the disturbance caused to buildings waterproof casing specifications, while ease of installation and maintenance waterproof casing pipe, set larger than the outside diameter of the pipe installation, material and length are in line with the requirements, installed base, walls, floors and other pipeline crossing at the short tube. Ordinary casing, multi-welded tubing, casing ends should be mechanically cut mouth (eg, with a toothless saws, etc.), strict requirements on the wall thickness. Before sand-blasting, check all waterproof casing ovality, wall thickness and material compliance with material specifications, shall not be used. Sand-blasting the surface of the pipe should be removed paint, grease, oxides, etc., to be recognized and recorded by the QC department and the owners before corrosion and painting. Pipeline corrosion by waterproof casing drawings and specification requirements. Waterproof casing Model | waterproof casing | Serco supply materials provided by Serco Gongyi City Water Supply Materials Co., Ltd. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) strong, credible, in Zhengzhou, Henan Province of valve industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Serco water into the brilliant material and you work for a better future!