In sewage and stormwater drainage works, double wall corrugated pipes have the following advantages.
Highly resistant against acids and other aggressive fluids;
In double-layer in-ling belling process, rubber ring is used to form a tight seal at the pipe joint ...
Plastic corrugated pipes are becoming more prevalent on cable ducting and electrical conduit due to its high flexibility, and they can be made with single wall, double wall, or special shapes like square and hexagonal corrugated pipes. Materials commonly used include HDPE, PP and PVC.
Flexibility allows for easy bending of pipes to accommodate to different direction, greatly reducing the quantity of pipe fittings like elbows and tees which are generally used in rigid plastic pipes;
Easy to install, shortening the installation time;