Flange - Weld Neck, ANSI Class 400, B16.47 Series A (in)

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

Flange - Weld Neck, ANSI Class 400, 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 38 1/4 29 1/2 3 1/2 * 26 28 5/8 7 5/8 28 1 7/8 34 1/2 650
28 40 3/4 31 1/2 3 3/4 * 28 30 13/16 8 1/8 28 2 37 785
30 43 33 3/4 4 * 30 32 15/16 8 5/8 28 2 1/8 39 1/4 905
32 45 1/4 36 4 1/4 * 32 35 9 1/8 28 2 1/8 41 1/2 1065
34 47 1/2 38 4 3/8 * 34 37 3/16 9 1/2 28 2 1/8 43 1/2 1200
36 50 40 1/4 4 1/4 * 36 39 3/8 9 7/8 32 2 1/8 46 1340
38 47 1/2 40 3/4 4 1/8 * 38 39 1/2 8 1/8 32 1 7/8 44 935
40 50 43 5 1/8 * 40 41 1/2 8 1/2 32 2 46 1/4 1090
42 52 45 5 1/4 * 42 43 5/8 8 13/16 32 2 48 1/4 1190
44 54 1/2 47 1/4 5 1/2 * 44 45 5/8 8 3/16 32 2 1/8 50 1/2 1375
46 56 3/4 49 1/2 5 3/4 * 46 47 3/4 9 5/8 36 2 1/8 52 3/4 1525
48 59 1/2 51 1/2 6 * 48 49 7/8 10 1/8 28 2 3/8 55 1/4 1790
50 61 3/4 53 5/8 6 3/16 * 50 52 10 9/16 32 2 3/8 57 1/2 1950
52 63 3/4 55 5/8 6 3/8 * 52 54 10 7/8 32 2 3/8 59 1/2 2125
54 67 57 7/8 6 11/16 * 54 56 1/8 11 3/8 28 2 5/8 62 1/4 2565
56 69 60 1/8 6 1/8 * 56 58 1/4 11 3/4 32 2 5/8 64 1/4 2710
58 71 62 1/8 7 * 58 60 1/4 12 1/16 32 2 5/8 66 1/4 3230
60 71 1/4 64 3/8 7 5/16 * 60 62 3/8 12 9/16 32 2 7/8 69 3820
  • * To be specified by purchaser.