... terms of mechanical properties and alimentary compatibilitiesReference Standards:Working pressure: UNI 9561-2, DIN 8076, ISO 14263, BRL-K03Polyethylene (PE) ... Pipes: UNI 7611, UNI7990, DIN9072, DIN8074, UNI 10910, EN12201Threads: ISO 7, ANSIASME B1-20Flanges: ISO ... the maximum working pressure (PN-PFA*) OF 16 bar (UNI 9561-2) for diameters from 16 to 63 and PN ...