Manufacturers & Suppliers of ASTM B564 Incoloy 800H BLRTJ Blind Flange, 44\" ASME B16.47 Class 900# Blind Flange Series B, ASME SB564 Alloy 800H BLRTJ Blind Flanges, ANSI B16.5 BLRTJ, DIN 1.4958/1.4876 Blind Flange, GOST ??670, UNS N08810 BLRTJ Flange, AFNOR Z8NC32-21, Japanese JIS NCF 800H, BS NA 15(H), EN X5NiCrAlTi31-20.