SERIES B

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
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