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

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

 

Flange - Threaded, ANSI Class 900, 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 4 3/4 1 3/8 7/8 1 1/2 1 1/4 7/8 0.93 4 7/8 3 1/4 9
3/4 5 1/8 1 11/16 1 1 3/4 1 3/8 1 1.14 4 7/8 3 1/2 9
1 5 7/8 2 1 1/8 2 1/16 1 5/8 1 1/8 1.41 4 1 4 9
1 1/4 6 1/4 2 1/2 1 1/8 2 1/2 1 5/8 1 3/16 1.75 4 1 4 3/8 10
1 1/2 7 2 7/8 1 1/4 2 3/4 1 3/4 1 1/4 1.99 4 1 1/8 4 7/8 14
2 8 1/2 3 5/8 1 1/2 4 1/8 2 1/4 1 1/2 2.50 8 1 6 1/2 25
2 1/2 9 5/8 4 1/8 1 5/8 4 7/8 2 1/2 1 7/8 3.00 8 1 1/8 7 1/2 36
3 9 1/2 5 1 1/2 5 2 1/8 1 5/8 3.63 8 1 7 1/2 31
3 1/2 - - - - - - - - - - -
4 11 1/2 6 3/16 1 3/4 6 1/4 2 3/4 1 7/8 4.63 8 1 1/4 9 1/4 53
5 13 3/4 7 5/16 2 7 1/2 3 1/8 2 1/8 5.69 8 1 3/8 11 83
6 15 8 1/2 2 3/16 9 1/4 3 3/8 2 1/4 6.75 12 1 1/4 12 1/2 108
8 18 1/2 10 5/8 2 1/2 11 3/4 4 2 1/2 8.75 12 1 1/2 15 1/2 172
10 21 1/2 12 3/4 2 3/4 14 1/2 4 1/4 2 13/16 10.88 16 1 1/2 18 1/2 245
12 24 15 3 1/8 16 1/2 4 5/8 3 12.94 20 1 1/2 21 326
14 25 1/4 16 1/4 3 3/8 17 3/4 5 1/8 3 1/4 14.19 20 1 5/8 22 380
16 27 3/4 18 1/2 3 1/2 20 5 1/4 3 3/8 16.19 20 1 3/4 24 1/4 459
18 31 21 4 22 1/4 6 3 1/2 18.19 20 2 27 647
20 33 3/4 23 4 1/4 24 1/2 6 1/4 3 5/8 20.19 20 2 1/8 29 1/2 792
22 - - - - - - - - - - -
24 41 27 1/4 5 1/2 29 1/2 8 4 24.19 20 2 5/8 35 1/2 1480

 

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