Pipeline through three joints (joints, settlement, vibration joints), in order to ensure that the pipeline will not be uneven joints on both sides of the three buildings in the settlement and break, or distortions lights waterproof casing, usually waterproof casing, also To set up the sleeve. This casing often have special requirements. Design requirements can be customized. Geothermal coil through the open joints between the middle room setting, but also in the outer coil, set casing to protect the heat pipe. Rigid waterproof casing is needed in order to solve some of the underground pipeline project through walls waterproof casing features, and there are close by at the water requirements; some structures also need to pipe through the wall waterproof casing is set, while limiting line due to temperature changes or external forces can not produce stretching and displacement, but does not allow the outer pipe under factors designed to generate vibration, and a disposable rigid waterproof casing shell cast on the wall. Roofing waterproof casing, Guizhou waterproof casing, Serco supply materials provided by Serco Gongyi City Water Supply Materials Co., 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!