... , F11, F22, F5, F9, F91Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276 Copper Alloys : Copper ... : 1/8" NB TO 48"NB.Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.StandardANSI : ANSI B16.5, ANSI B16.47 ... , DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673B.S : BS4504 , BS4504, BS1560, BS10 Stainless Steel Blind Flange ...