Certificate, CE,ISO9001 Pressure, , PN2.5Mpa Size, 20~32mm, 15years experiment in PP-R line Features Material, Random Poiypropylene Sizes, 16 to 160mm Pressure, PN 1.25Mpa, N1.6Mpa, PN2.0Mpa, PN2.5Mpa Colors, Light grey,white or other colors on request Connection, Welding Standard, GB/ T18742 2-2002; DINB8077/8078 Certification, CE, ISO9001 Applications, Cold or hot water supply,heating system, ...