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Flange - Blind, ANSI Class 900, B16.5, RF (in)

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data bf b16.5 400 2500data bf b16.5

 

Flange - Blind, ANSI Class 900, B16.5, RF (in)

  • This datasheet is for flanges that have a Raised Face end connection.  Additional in depth information about these kinds of flanges can be found on the Raised Face Flange page.
  • Dimensions per ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 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

NBH

Diameter of Bolt Holes

 DBH

Bolt Circle Diameter

P

Approx. Weight

(lb)

AW

1/2 4 3/4 1 3/8 7/8 4 7/8 3 1/4 4
3/4 5 1/8 1 11/16 1 4 7/8 3 1/2 6
1 5 7/8 2 1 1/8 4 1 4 9
1 1/4 6 1/4 2 1/2 1 1/8 4 1 4 3/8 10
1 1/2 7 2 7/8 1 1/4 4 1 1/8 4 7/8 14
2 8 1/2 3 5/8 1 1/2 8 1 6 1/2 25
2 1/2 9 5/8 4 1/8 1 5/8 8 1 1/8 7 1/2 32
3 9 1/2 5 1 1/2 8 1 7 1/2 35
3 1/2 - - - - - - -
4 11 1/2 6 3/16 1 3/4 8 1 1/4 9 1/4 54
5 13 3/4 7 5/16 2 8 1 3/8 11 87
6 15 8 1/2 2 3/16 12 1 1/4 12 1/2 115
8 18 1/2 10 5/8 2 1/2 12 1 1/2 15 1/2 200
10 21 1/2 12 3/4 2 3/4 16 1 1/2 18 1/2 290
12 24 15 3 1/8 20 1 1/2 21 415
14 25 1/4 16 1/4 3 3/8 20 1 5/8 22 520
16 27 3/4 18 1/2 3 1/2 20 1 3/4 24 1/4 619
18 31 21 4 20 2 27 880
20 33 3/4 23 4 1/4 20 2 1/8 29 1/2 1107
22 - - - - - - -
24 41 27 1/4 5 1/2 20 2 5/8 35 1/2 2099

 

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