Technical data Size: DN50~200mm Nominal pressure: PN16--PN25 Working temperature: -38 degree C ~ +650degree C (Range of temperature subject to the property of medium) Applicable medium: Water, chemistry, power etc. Connecting flange: GB/T 9113, JB/T 79 Main materials: ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8, CF8M, CF3, CF3M Seal type: Stainless steel hard seal Leakage: No Visible Leakage Accessories: Flange