42" ASME B16.47 WNRF Weldneck Flanges Series B Class 400#, LTCS A350 LF2 Welding Flange, ASTM A350, ASME SA350

Manufacturers & Suppliers of ASTM A350 LTCS LF2 WNRF Weldneck Flange Series B, 42\" ASME B16.47 Class 400# Weldneck Flanges Series B, ASME SA350 LF2 LTCS WNRF Welding Neck Flanges Series B, ANSI B16.5 WNRF, A350 Carbon LF2 Welding Flange.

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