ASME B16.47 Class 900 Series B Blind Flanges

ProductsNominal Pipe SizeOutside Diameter (O)Minimum Thickness (T)Raised Face Diameter (R)Approximate Weight (lbs)Bolt Circle (C)Number of HolesDiameter of Holes
26900BDSB26 40.25 6.06 30.00 2185 35.50 20 2.62
28900BDSB28 43.50 6.56 32.25 2762 38.25 20 2.88
30900BDSB 30 46.50 6.93 34.50 3334 40.75 20 3.12
32900BDSB3248.75 7.31 36.50 3865 43.00 20 3.12
34900BDSB3451.75 7.68 39.00 4575 45.50 20 3.38
36900BDSB36 53.00 7.94 40.50 4963 47.25 243.12