SERIES B

ASME B16.47 Class 900 Series B Blind Flanges

SPECIFICATIONS




▪ All dimensions are in inches
▪ 1/4" raised face will be added to the thickness unless
  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 40.25  6.06  30.00  2185 35.50  20 2.62 
28 43.50  6.56  32.25  2762 38.25  20 2.88 
30 46.50  6.93  34.50  3334 40.75  20 3.12 
32 48.75  7.31  36.50  3865 43.00  20 3.12 
34 51.75  7.68  39.00  4575 45.50  20 3.38 
36 53.00  7.94  40.50  4963 47.25  24 3.12