Hengshui Xu Rui 135 1308 5830 Welcome! How to install vent pipe bridge? For more details, please call 13513085830 consultation. 1. The vent pipe construction design requirements should be implemented, vent pipe should extend the bottom surface of the structure is not less than 30mm, the longitudinal spacing of not more than 4m. 2. overpass bridge on the vent pipe should not be directly linked to the lower plate, vent pipe can be led directly to the ground through vertical and vertical drains 3. cast iron drain pipes, apply a waterproof layer of the pavement structure. The inner diameter of the vent pipe is generally 0.10 ~ 0.15m, tube lower end of the lane and the bottom surface should extend at least 0.15 ~ 0.20m, ribbed surface to prevent dampness main beam. Xu 瑞桥梁 Hengshui Rubber Products Co., located in Hebei have said the Hengshui Lake City, close to Shi, the Beijing-Kowloon Railway two gold intersection, transportation is very convenient, large area of ??our factory, registered funded. My main business companies: bridge laminated rubber bearings, pot rubber bearings, bridge expansion joints, bridge vent pipes, polyurethane sealants, polyethylene foam, inflatable core membrane, water stop and other waterproof products. Rich products of all kinds, model complete, reliable, stable performance, low price. Please call us, to purchase, large favorably oh. At present, I plant vent pipe has been sent to Beijing, Tianjin, Shanghai, Chongqing, Mianyang, Zhuzhou, Hunan, Hubei, Guangxi, Shanxi Linfen, Ganzhou, Jiangxi, Shandong Yantai, Shenyang, Fujian Putian, Nanjing, Xuchang, Henan, Taizhou, Zhejiang, Guizhou Zunyi, Datong, Shanxi, Inner Mongolia Baotou, Weinan, Shaanxi, Gansu, Tianshui and other cities and regions.