Blind Flange 4 Inch Class 2500 Posted on July 1, 2021 Version Download 2 File Size 107.31 KB File Count 1 Create Date July 1, 2021 Last Updated July 1, 2021 Download Description Blind Flange Class 2500 Reference : ANSI ASME B16.5 Flanges Size NPS : 4" Size DN : 100 mm. Blind Flange Thickness : 76.2 mm. Weight : 61.5 kg. StudBolt Size : 1 1/2" UNC Or (M39) x 255 Long No. of Bolts : 8 EA. Holes Diamater : 41.275 mm. Blind Flange 100mm Blind Flange 4 Inch