Hengshui Xu Rui 1308 135 5830 You are welcome! Bridge vent pipes, drain pipes referred to, as the name suggests is the drainage, it is used widely, such as bridges, highways, railways, tunnels and underpasses, airports, municipal engineering, water purification plants, sewage plants, garbage dumps, golf courses, sports grounds all aspects of drainage, parks and other green spaces Xiuxie, hillside development slope and soil conservation, drainage and other site preparation works of the underground without it. Typically Material points, vent pipe into two categories, one is cast iron drain pipes, one is PVC drain pipes. Two different materials, application selection is different, and can say each have their own advantages, evenly divided it! Although the quality of cast iron drain pipe is relatively large, but it's wear, and excellent high temperature performance, it is conducive to fire and fire safety, it is relatively PVC drain pipe life is much longer, and it uses the clamp galvanized steel more difficult to vibration, so the noise piped directly with good insulation effect. Further, since chloroprene rubber interfaces, so that transmission of vibration is also weakened, so have the advantage of reducing iron downcomer noise. And PVC vent pipe material difference because, not easily deformed, expansion, contraction coefficient is extremely small, given the cast iron drain pipe above advantages, usually due to high-rise building fire safety considerations and replacement of difficulty, generally preferred to use fire performance, long life, noise low seismic performance and the expansion and contraction of a small flexible interface cast iron pipes. PVC drain pipe bridge is a resin as the main raw material, injection molded or extruded plastic products, the products are non-toxic, tasteless, anti-corrosion, anti-aging, good weather and many other features, at the same time, with high impact strength, mechanical high performance, good toughness, high flexural ability, etc., reducing the construction and use of fragmentation problems. Because the material relationship, looks nice, light quality, smooth wall, low friction, pipe wall corrosion, abrasion resistance, scaling, reducing fluid friction resistance, improve fluid transfer efficiency and sound reduction. General highway overpass or drain pipes should not be directly linked to the lower plate, vent pipe can be led directly to the longitudinal and vertical drains through the ground, or perform according to design requirements, and have a good pipeline fixtures, such as anchor rail and hoop and other embedded parts. In summary, the light bridge PVC drain pipe quality, low price, easy to transport, installation, maintenance and repair, especially for railways, highways, airports, roads, bridges and drainage facilities on both sides. Given the cast iron drain pipe and PVC vent pipe above characteristics, so the choice is very clear the vent pipe, Hengshui Xu 瑞桥梁 Rubber Products Co., Ltd. is a professional manufacturer of bridge rubber products company, our main business of laminated rubber bearings, rubber bearing basin, bridge expansion joints, bridge vent pipes, sealing foam, waterproof sealant and other products. I produced the bridge vent pipe in terms of the material or performance are particularly good, more durable, more reliable, best quality and the lowest price! All are welcome to visit our factory, guidance, we must to patient attitude and dedication of service to contribute to the Division I attention and recognition! 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.