ASME B16.47 Class 400 Series A 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
26400BDSA2638.25 3.88 29.50 1263 34.50 28 1.88
28400BDSA2840.75 4.12 31.50 1520 37.00 28 2.00
30400BDSA30 43.00 4.38 33.75 180239.25 28 2.12
32400BDSA3245.25 4.56 36.00 2075 41.50 28 2.12
34400BDSA 34 47.50 4.81 38.00 2415 43.50 28 2.12
36400BDSA36 50.005.06 40.25 2815 46.00 322.12
38400BDSA38 47.50 4.88 41.50 2450 44.00 321.88
40400BDSA4050.00 5.12 43.00 2849 46.25 322.00
42400BDSA4252.00 5.25 45.00 3160 48.25 322.00
44400BDSA4454.50 5.50 47.25 3635 50.50 322.12
46400BDSA 4656.75 5.75 49.50 4120 52.75 36 2.12
48400BDSA4859.50 6.00 51.50 4725 55.25 282.38
50400BDSA5061.756.25 53.62 5303 57.50 322.38
52400BDSA 5263.75 6.44 55.62 5823 59.50 322.38
54400BDSA5467.00 6.75 57.886742 62.25 282.62
56400BDSA5669.00 6.94 60.12 7352 64.25 322.62
58400BDSA5871.00 7.12 62.12 7986 66.25 322.62
60400BDSA6074.25 7.44 64.38 9126 69.00 322.88