... 2. Size: 3/8"-160" 3. Pressure: PN6-PN160 4. Standard: DIN 5. Certification: ISO9001:2000 Company IntroductionHenan Broad Top Metalwork ... , CLASS 1500, CLASS 2500European SeriesPN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100 ... us the detailed requirement of the flange, such as size, material, standard and so on.Pls confirm the details with us before ...