Tigris K1 is a multilayer pipe system designed for potable water and heating applications. It is ideally suited for installation on commercial projects such as educational establishments, apartment blocks and hotels. The system comprises multilayer composite pipe and high quality polyphenyl sulphone (PPSU) fittings with a fixed stainless steel sleeve, in sizes 16mm, 20mm, 25mm, 32mm, 40mm, 50mm, 63mm and 75mm.