Manufacturers & Suppliers of ASTM B564 Incoloy 825 BLRF Blind Flanges, 40\" ASME B16.5 Class 600# Blind Flange, ASME SB564 Alloy 825 BLRF Blind Flanges, ANSI B16.5 BLRF, DIN 2.4858 Blind Flange, GOST ??703, UNS N08825 BLRF Flanges, Japanese JIS NCF 825, BS NA 16, AFNOR NFE30C20DUM.