Models View all Welding Neck flange 56'' 300# ANSI B.16.47 A 2 22 0 Welding Neck flange 56'' 300# ANSI B.16.47 A 0 31 0 Manhole davit for flange ø24'' 150# ANSI B16.5 9 142 2 Manhole davit for flange ø24'' 150# ANSI B16.5 20 626 2 Spiral Wound Gasket ø24'' 150# ANSI B.16.20 4 58 0 Welding Neck flange 24'' 150# ANSI B.16.5 11 135 0