ASME B16.47 Class 400 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
26400BDSB2633.50 3.50 28.00875 30.75 28 1.50
28400BDSB28 36.003.7530.00 1081 33.0024 1.62
30400BDSB30 38.25 4.00 32.25 1302 35.25 28 1.62
32400BDSB3240.754.2534.38 157037.50 28 1.75
34400BDSB3442.75 4.38 36.501780 39.50 321.75
36400BDSB36 45.504.69 38.62 2160 42.00 28 1.88