Flange - Weld Neck, ANSI Class 150, B16.47 Series A (in)

Written by Matt Milbury on . Posted in Weld Neck Flange Datasheets

Flange - Weld Neck, ANSI Class 150, ASME B16.47 Series A, 1/16" Raised Face (in)

  • Dimensions to 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 wnf b16.5 400 2500data wnf b16.47

Pipe Size

(NPS)

Outside Diameter of Flange

A

Diameter of Raised Face

B

Thickness of Flange

C

Diameter of Bore

D

Diameter of Hub at Weld

H

Diameter of Hub at Base

J

Length of Hub

K

Number of Bolt Holes

 

Diameter of Bolt Holes

 

Bolt Circle Diameter

P

Approx. Weight

(lb)

26 34 1/4 29 1/2 2 11/16 * 26 26 5/8 4 3/4 24 1 3/8 31 3/4 300
28 36 1/2 31 1/2 2 13/16 * 28 28 5/8 4 15/16 28 1 3/8 34 345
30 38 3/4 33 3/4 2 15/16 * 30 30 3/4 5 3/8 28 1 3/8 36 400
32 41 3/4 36 3 3/16 * 32 32 3/4 5 11/16 28 1 5/8 38 1/2 505
34 43 3/4 38 3 1/4 * 34 34 3/4 5 7/8 32 1 5/8 40 1/2 540
36 46 40 1/4 3 9/16 * 36 36 3/4 6 3/16 32 1 5/8 42 3/4 640
38 48 3/4 42 1/4 3 7/16 * 38 39 6 3/16 32 1 5/8 45 1/4 720
40 50 3/4 44 1/4 3 9/16 * 40 41 6 7/16 36 1 5/8 47 1/4 775
42 53 47 3 13/16 * 42 43 6 3/4 36 1 5/8 49 1/2 890
44 55 1/4 49 4 * 44 45 7 40 1 5/8 51 3/4 990
46 57 1/4 51 4 1/16 * 46 47 1/8 7 5/16 40 1 5/8 53 1/4 1060
48 59 1/2 53 1/2 10 1/4 * 48 49 1/8 7 9/16 44 1 5/8 56 1185
50 61 3/4 55 1/2 4 3/8 * 50 51 1/4 8 44 1 7/8 58 1/4 1270
52 64 57 1/2 4 9/16 * 52 53 1/4 8 1/4 44 1 7/8 60 1/2 1410
54 66 1/4 59 1/2 4 3/4 * 54 55 1/4 8 1/2 44 1 7/8 62 3/4 1585
56 68 3/4 62 4 7/8 * 56 57 3/8 9 48 1 7/8 65 1760
58 71 64 5 1/16 * 58 59 3/8 9 1/4 48 1 7/8 67 1/4 1915
60 73 66 5 3/16 * 60 61 3/8 9 7/16 52 1 7/8 69 1/4 2045
  • * To be specified by purchaser.