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ANSI B16.5 &ANSI B16.47-A FLAGNE Product Information: ANSI B16.5 WELDING NECK, SLIP ON. BLIND, LAP JOINT, THREADED, SOCKET WELD ASME B16.47 SER.B(API605) WELDING NECK, BLIND ASME B16.47 SER.A (MSS ...