Flange - Blind, ANSI Class 75, B16.47 Series B (in)

Written by Matt Milbury on . Posted in Blind Flange Datasheets

Flange - Blind, ANSI Class 75, ASME B16.47 Series B, 1/16" Raised Face Datasheet

  • Dimensions per ASME B16.47 - Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard
  • Bolt circle diameters are 1/8 inch larger than bolt diameter.

data bf b16.5 150 300data bf b16.47

Pipe Size

(NPS)

Outside Diameter of Flange

A

Diameter of Raised Face

B

Thickness of Flange

C

Number of Bolt Holes

 

Diameter of Bolt Holes

 

Bolt Circle Diameter

P

Approx Weight

(lb)

26 30 27 3/4 1 5/16 36 3/4 28 1/2 255
28 32 29 3/4 1 5/16 40 3/4 30 1/2 290
30 34 31 3/4 1 5/16 44 3/4 32 1/2 330
32 36 33 3/4 1 7/16 48 3/4 34 1/2 390
34 38 35 3/4 1 1/2 52 3/4 36 1/2 430
36 40 11/16 38 1 11/16 40 7/8 39 1/16 520
38 42 11/16 40 1 3/4 40 7/8 41 1/16 595
40 44 11/16 42 1 3/4 44 7/8 43 1/16 760
42 46 11/16 44 1 7/8 48 7/8 45 1/16 895
44 49 1/4 46 1/4 1 15/16 36 1 47 3/8 1065
46 51 1/4 48 1/4 2 40 1 49 3/8 1185
48 53 1/4 50 1/4 2 1/8 44 1 51 3/8 1315
50 55 1/4 52 1/4 2 3/16 44 1 53 3/8 1505
52 57 3/8 54 1/4 2 1/4 48 1 55 1/2 1665
54 59 3/8 56 1/4 2 3/8 48 1 57 1/2 1840
56 62 58 1/2 2 7/16 40 1 1/8 59 7/8 2110
58 64 60 1/2 2 1/2 44 1 1/8 61 7/8 2300
60 66 62 1/2 2 5/8 44 1 1/8 63 7/8 2500