Petan silent piping system is a promoted version of Petan HTPP home sewage system and it is specially designed for installation in places where sound insulation is taken into account. Installed with special pipe clamps (with profiled rubber ring) provides reduction in noise an acoustic vibrations up to level of 12 dB*. The latest technology of three-layer extrusion pipe and materials modified with mineral additives have raised disposal of waste water systems within the building structure on a higher level. Production program Petan S LINE pipes for the installation of sewage systems inside buildings includes pipes produced from high quality polypropylene-copolymer (PP-C) hardened mineral additives, in technology, three-layer composite pipes according to the requirements of EN 1451, in diameters from 32 to 160.