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Flange - Threaded, ANSI Class 300, B16.5 (in)

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Flange - Threaded, ANSI Class 300, 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 3 3/4 1 3/8 9/16 1 1/2 7/8 5/8 0.93 4 5/8 2 5/8 3
3/4 4 5/8 1 11/16 5/8 1 7/8 1 5/8 1.14 4 3/4 3 1/4 3
1 4 7/8 2 11/16 2 1/8 1 1/16 11/16 1.41 4 3/4 3 1/2 3
1 1/4 5 1/4 2 1/2 3/4 2 1/2 1 1/16 13/16 1.75 4 3/4 3 7/8 4
1 1/2 6 1/8 2 7/8 13/16 2 3/4 1 3/16 7/8 1.99 4 7/8 4 1/2 6
2 6 1/2 3 5/8 7/8 3 5/16 1 5/16 1 1/8 2.50 8 3/4 5 7
2 1/2 7 1/2 4 1/8 1 3 15/16 1 1/2 1 1/4 3.00 8 7/8 5 7/8 10
3 8 1/4 5 1 1/8 4 5/8 1 11/16 1 1/4 3.63 8 7/8 6 5/8 13
3 1/2 9 5 1/2 1 3/16 5 1/4 1 3/4 1 7/16 4.13 8 7/8 7 1/4 17
4 10 6 3/16 1 1/4 5 3/4 1 7/8 1 7/16 4.63 8 7/8 7 7/8 22
5 11 7 5/16 1 3/8 7 2 1 11/16 5.69 8 7/8 9 1/4 28
6 12 1/2 8 1/2 1 7/16 8 1/8 2 1/16 1 13/16 6.75 12 7/8 10 5/8 39
8 15 10 5/8 1 5/8 10 1/4 2 7/16 2 8.75 12 1 13 58
10 17 1/2 12 3/4 1 7/8 12 5/8 2 5/8 2 3/16 10.88 16 1 1/8 15 1/4 81
12 20 1/2 15 2 14 3/4 2 7/8 2 3/8 12.94 16 1 1/4 17 3/4 115
14 23 16 1/4 2 1/8 16 3/4 3 2 1/2 14.19 20 1 1/4 20 1/4 164
16 25 1/2 18 1/2 2 1/4 19 3 1/4 2 11/16 16.19 20 1 3/8 22 1/2 220
18 28 21 2 3/8 21 3 1/2 2 3/4 18.19 24 1 3/8 24 3/4 280
20 30 1/2 23 2 1/2 23 1/8 3 3/4 2 7/8 20.19 24 1 3/8 27 325
22 33 25 1/4 2 5/8 25 1/4 4 3 1/16 22.19 24 1 5/8 29 1/4 433
24 36 27 1/4 2 3/4 27 5/8 4 3/16 3 1/4 24.19 24 1 5/8 32 490

 

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