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

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Flange - Threaded, ANSI Class 1500, 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 10 1/2 5 1 7/8 5 1/4 2 7/8 2 3.63 8 1 1/4 8 48
3 1/2 - - - - - - - - - - -
4 12 1/4 6 3/16 2 1/8 6 3/8 3 9/16 2 1/4 4.63 8 1 3/8 9 1/2 73
5 14 3/4 7 5/16 2 7/8 7 3/4 4 1/8 2 1/2 5.69 8 1 5/8 11 1/2 132
6 15 1/2 8 1/2 3 1/4 9 4 11/16 2 3/4 6.75 12 1 1/2 12 1/2 164
8 19 10 5/8 3 5/8 11 1/2 5 5/8 3 8.75 12 1 3/4 15 1/2 258
10 23 12 3/4 4 1/4 14 1/2 6 1/4 3 5/16 10.88 12 2 19 436
12 26 1/2 15 4 7/8 17 3/4 7 1/8 3 5/8 12.94 16 2 1/8 22 1/2 667

 

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