Blind Flange 18 Inch Class 300 Posted on July 7, 2020 Version Download 9 File Size 140.56 KB File Count 1 Create Date July 7, 2020 Last Updated July 7, 2020 Download Description Blind Clange Class 300 Reference : ANSI ASME B16.5 Flanges Size NPS : 18" Size DN : 450 mm. Blind Flange Thickness : 58.8 mm. Weight : 181 kg. StudBolt Size : 1 1/4" UNC Or (M33) x 195 Long No. of Bolts : 24 EA. Holes Diamater : 34.925 mm. Related Blind Flange 18 Inch Blind Flange 450mm