... ISO9001 3) size:20 to 630mm 4) pressure:0.4MPa to 1.6MPa 5) material:pe 80, ... : SDR11,SDR13.6,SDR17,SDR21,SDR26,SDR33Pressure: 0.4Mpa, 0.6Mpa, 0.8Mpa, 1.0Mpa, 1.25Mpa, 1.6Mpa ... sewage conduit,Air conditioner production fieldIdentifies: black water pipe identifies the color at least three blue stripes, ... Recyclable, benefit to the environmentOur company: high quality PE water rubber pipe manufacturer