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Flange - Threaded, ANSI Class 2500, B16.5 (in)

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data thdf b16.5 400 2500data thdf b16.5

 

Flange - Threaded, ANSI Class 2500, B16.5 (in)

  • This datasheet is for threaded flanges that have a raised face connection.
  • Dimensions and tolerances in accordance with ANSI/ASME B16.5 for sizes 1/2" to 24".
  • When using carbon steel, forgings to be in accordance with ASTM A105.
  • Flanges are tapped with American National Standard taper pipe threads.
  • 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

Diameter of Hub at Base

J

Length of Hub

L

Minimum Thread Length

N

Diameter of Bore

S

Number of Bolt Holes

NBH

Diameter of Bolt Holes

DBH

Bolt Circle Diameter

P

Approx. Weight

(lb)

AW

1/2 5 1/4 1 3/8 1 3/16 1 11/16 1 9/16 1 1/8 0.93 4 7/8 3 1/2 7
3/4 5 1/2 1 11/16 1 1/4 2 1 11/16 1 1/4 1.14 4 7/8 3 3/4 9
1 6 1/4 2 1 3/8 2 1/4 1 7/8 1 3/8 1.41 4 1 4 1/4 12
1 1/4 7 1/4 2 1/2 1 1/2 2 7/8 2 1/16 1 1/2 1.75 4 1 1/8 5 1/8 18
1 1/2 8 2 7/8 1 3/4 3 1/8 2 3/8 1 3/4 1.99 4 1 1/4 5 3/4 25
2 9 1/4 3 5/8 2 3 3/4 2 3/4 2 2.50 8 1 1/8 6 3/4 38
2 1/2 10 1/2 4 1/8 2 1/4 4 1/2 3 1/8 2 1/4 3.00 8 1 1/4 7 3/4 55
3 12 5 2 5/8 5 1/4 3 5/8 2 1/2 3.63 8 1 3/8 9 83
3 1/2 - - - - - - - - - - -
4 14 6 3/16 3 6 1/2 4 1/4 2 3/4 4.63 8 1 5/8 10 3/4 127
5 16 1/2 7 5/16 3 5/8 8 5 1/8 3 5.69 8 1 7/8 12 3/4 210
6 19 8 1/2 4 1/4 9 1/4 6 3 1/4 6.75 8 2 1/8 14 1/2 323
8 21 3/4 10 5/8 5 12 7 3 3/4 8.75 12 2 1/8 17 1/4 485
10 26 1/2 12 3/4 6 1/2 14 3/4 9 4 1/4 10.88 12 2 5/8 21 1/4 925
12 30 15 7 1/4 17 3/8 10 4 3/4 12.94 12 2 7/8 24 3/8 1300

 

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