... DN110 are all available PN12.5,PN16,PN20,PN25,PN32 S5,S4,S3.2,S2.5,S2 TOP QUALITY1. "TEILEI" ... .6, SDR7.4/S3.2/PN2.0, SDR6/S2.5/PN2.5 Safety coefficient: C=1.5 Manufacturing Standard: GB/T 18742. ... HOT WATER PIPEPIPE SERIES: SDR7.4/ S 3.2/ PN2.0COLOR: WHITE, GREY, GREEN,yellow,red or othersFORM ... PRODUCTS NAME: HOT WATER PIPEPIPE SERIES: SDR6/S 2.5/PN2.5 COLOR: WHITE, GREY, GREEN,yellow,red or othersFORM ...