Flange - Blind, ANSI Class 300, B16.47 Series B (in)

Written by Matt Milbury. Posted in Blind Flange Datasheets

Flange - Blind, ANSI Class 300, 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 34 1/8 29 3 1/2 32 1 3/8 31 5/8 910
28 36 1/4 31 3 1/2 36 1 3/8 33 3/46 1020
30 39 33 1/4 3 11/16 36 1 1/2 36 1/46 1250
32 41 1/2 35 1/2 4 1/16 32 1 5/8 38 1/2 1555
34 43 5/8 37 1/2 4 1/16 36 1 5/8 40 5/8 1720
36 46 1/8 39 3/4 4 1/16 32 1 3/4 42 7/8 1920
38 48 1/8 41 3/4 4 3/8 36 1 3/4 44 7/8 2260
40 50 1/8 43 7/8 4 9/16 40 1 3/4 44 7/8 2550
42 52 1/2 46 4 11/16 36 1 7/8 49 2875
44 54 1/2 48 5 40 1 7/8 51 3305
46 57 1/2 50 5 1/8 36 2 53 3/4 3765
48 59 1/2 52 1/4 5 5/16 40 2 55 3/4 4185
50 61 1/2 54 1/4 5 1/2 40 2 57 3/4 4630
52 63 1/2 56 1/4 5 11/16 48 2 59 3/4 5100
54 65 7/8 58 1/4 5 7/8 48 2 62 1/8 5680
56 69 1/2 60 1/2 6 3/16 36 2 3/8 65 6640
58 71 15/16 62 3/4 6 3/8 40 2 3/8 67 7/16 7350
60 73 15/16 65 6 9/16 50 2 3/8 69 7/16 7980