PexKIT oxygen barrier-free piping is utilized in underfloor heating systems, defined as Class 4, in accordance with standard EN ISO 15875-1:2003. For this application, manifolds with Eurocone fittings are available for pipes with diameters ranging from 14 to 20 mm. Material: cross-linked polyethylene PE-X, silane cross-linking method PE-Xb. Reference standard: EN ISO 15875-2:2003 regarding production, verification, and scope of application. Maximum pressure: PN8 bar. The piping is supplied in coils of various lengths in the following colors: natural, red, and blue. Structure: single-layer 1 PE-Xb pipe.