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

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

 

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

  • 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.
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 38 1/4 29 1/2 3 1/8 28 1 3/4 34 1/2 1080
28 40 3/4 31 1/2 3 9/16 28 1 3/4 37 1315
30 43 33 3/4 3 3/4 28 1 7/8 39 1/4 1540
32 45 1/4 36 3 15/16 28 2 41 1/2 1795
34 47 1/2 38 3 1/8 28 2 43 1/2 2070
36 50 40 1/4 3 3/8 32 2 1/8 46 2440
38 46 42 1/4 4 1/4 32 1 5/8 43 2000
40 48 1/4 44 1/4 4 1/2 32 1 3/4 45 1/2 2380
42 50 3/4 47 4 11/16 32 1 3/4 47 1/2 2690
44 53 1/4 49 4 7/8 32 1 7/8 49 3/4 3080
46 55 3/4 51 5 1/16 28 2 52 3500
48 57 3/4 53 1/2 5 1/4 32 2 54 3900
50 60 1/4 55 1/2 5 1/2 32 2 1/8 56 1/4 4440
52 62 1/4 57 1/2 5 11/16 32 2 1/8 58 1/4 4900
54 65 1/4 59 1/2 6 28 2 3/8 61 5685
56 67 1/4 62 6 1/16 28 2 3/8 63 6000
58 69 1/4 64 6 1/4 32 2 3/8 65 6670
60 71 1/4 66 6 7/16 32 2 3/8 67 7270

 

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