SERIES B
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ASME B16.47 Class 400 Series B Blind Flanges
SPECIFICATIONS
▪ All dimensions are in inches
▪ 1/4" raised face will be added to the thickness unless
otherwise specified
otherwise specified
▪ 38" thru 60" sizes are the same as Series "A"
▪ Flat face option available
Nominal Pipe Size |
Outside Diameter |
Minimum Thickness |
Raised Face Diameter |
Approximate Weight |
Bolt Circle | Number of Holes |
Diameter of Holes |
(O) | (T) | (R) | (lbs) | (C) | |||
26 | 33.50 | 3.50 | 28.00 | 875 | 30.75 | 28 | 1.50 |
28 | 36.00 | 3.75 | 30.00 | 1081 | 33.00 | 24 | 1.62 |
30 | 38.25 | 4.00 | 32.25 | 1302 | 35.25 | 28 | 1.62 |
32 | 40.75 | 4.25 | 34.38 | 1570 | 37.50 | 28 | 1.75 |
34 | 42.75 | 4.38 | 36.50 | 1780 | 39.50 | 32 | 1.75 |
36 | 45.50 | 4.69 | 38.62 | 2160 | 42.00 | 28 | 1.88 |