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Flange - Weld Neck, ANSI Class 300, B16.47 Series A (in)

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data wnf b16.5 400 2500data wnf b16.47

 

Flange - Weld Neck, ANSI Class 300, B16.47 Series A (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.
  • * To be specified by purchaser
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 1/8 * 26 28 3/8 7 1/4 28 1 3/4 34 1/2 605
28 40 3/4 31 1/2 3 9/16 * 28 30 1/2 7 3/4 28 1 3/4 37 745
30 43 33 3/4 3 3/4 * 30 32 9/16 8 1/4 28 1 7/8 39 1/4 870
32 45 1/4 36 3 15/16 * 32 34 11/16 8 3/4 28 2 41 1/2 1005
34 47 1/2 38 3 1/8 * 34 36 7/8 9 1/8 28 2 43 1/2 1145
36 50 40 1/4 3 3/8 * 36 39 9 1/2 32 2 1/8 46 1275
38 46 42 1/4 4 1/4 * 38 39 1/8 7 1/8 32 1 5/8 43 695
40 48 1/4 44 1/4 4 1/2 * 40 41 1/4 7 5/8 32 1 3/4 45 1/2 840
42 50 3/4 47 4 11/16 * 42 43 1/4 7 7/8 32 1 3/4 47 1/2 950
44 53 1/4 49 4 7/8 * 44 45 1/4 8 1/8 32 1 7/8 49 3/4 1055
46 55 3/4 51 5 1/16 * 46 47 3/8 8 1/2 28 2 52 1235
48 57 3/4 53 1/2 5 1/4 * 48 49 3/8 8 13/16 32 2 54 1380
50 60 1/4 55 1/2 5 1/2 * 50 51 3/8 9 1/8 32 2 1/8 56 1/4 1530
52 62 1/4 57 1/2 5 11/16 * 52 53 3/8 9 3/8 32 2 1/8 58 1/4 1660
54 65 1/4 59 1/2 6 * 54 55 1/2 9 15/16 28 2 3/8 61 2050
56 67 1/4 62 6 1/16 * 56 57 5/8 10 1/4 28 2 3/8 63 2155
58 69 1/4 64 6 1/4 * 58 59 5/8 10 1/2 32 2 3/8 65 2270
60 71 1/4 66 6 7/16 * 60 61 5/8 10 3/4 32 2 3/8 67 2470

 

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