54" ASME B16.47 BLRTJ Blind Flanges Class 150#, Series B, ASTM A182 UNS S31803, ASME SA182

Manufacturers & Suppliers of ASTM A182 Duplex Steel S31803 BLRTJ Blind Flange, 54\" ASME B16.47 Class 150# Blind Flange Series B, ASME SA182 S31803 Duplex BLRTJ Blind Flanges, ANSI B16.5 BLRTJ, DIN 1.4462 Blind Flange, DSS UNS S31803 BLRTJ Flange.

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