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Flange - Blind, ANSI Class 1500, B16.5, RF (in)

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Flange - Blind, ANSI Class 1500, B16.5, RF (in)

  • This datasheet is for blind flanges that have a raised face connection.
  • 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 35
3 10 1/2 5 1 7/8 8 1 1/4 8 48
3 1/2 - - - - - - -
4 12 1/4 6 3/16 2 1/8 8 1 3/8 9 1/2 73
5 14 3/4 7 5/16 2 7/8 8 1 5/8 11 1/2 142
6 15 1/2 8 1/2 3 1/4 12 1 1/2 12 1/2 159
8 19 10 5/8 3 5/8 12 1 3/4 15 1/2 302
10 23 12 3/4 4 1/4 12 2 19 507
12 26 1/2 15 4 7/8 16 2 1/8 22 1/2 775
14 29 1/2 16 1/4 5 1/4 16 2 3/8 25 975
16 32 1/2 18 1/2 5 3/4 16 2 5/8 27 3/4 1300
18 36 21 6 3/8 16 2 7/8 30 1/2 1750
20 38 3/4 23 7 16 3 1/8 32 3/4 2225
22 - - - - - - -
24 46 27 1/4 8 16 3 5/8 39 3625

 

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