Advantages: >length can be customized according to site requirement means lesser number of joints between sumps > lightweight can manually lifted for unloading, handling and installation > strong and flexible, capable of taking standard traffic loading at low cover > economical and cost effective > good abrasion resistance > efficient, durable, economical > easy installation and joints Size: dn200 to dn800. Ring stiffness: sn4, sn8. Connection: socket with rubber ring. Length: 6 meters/piece.
