... :PN10 3) Standard:ISO4422 4)Certification:ISO9001:2000; ISO14001:2004 Blank Flange1) Media: Water2) Material: UPVC,PE,PVDF3) Connection: Gluing, Rubber ... test, no cracks with all samples;Hydraulic test, no leak Blank FlangeNumberSize (mm)NumberSize (mm)HS-XVIII01Φ110HS-XVIII03Φ200HS-XVIII02 ...