Technical Data
● Flange standard: ISO6162
● Flange material: forged carbon steel or 304 stainless steel
● Weld nipple material: 20# carbon steel or 304 stainless steel
● Bolt and nut material: Gr. 8.8 high tensile bolt. Please specify if stainless steel flanges require stainless steel bolts. If stainless steel bolts are used, the flange working pressure needs to be 20% to 35% lower.