Flange - Weld Neck, ANSI Class 600, B16.5 (in)

Written by Matt Milbury on . Posted in Weld Neck Flange Datasheets

Flange - Weld Neck, ANSI Class 600, ASME B16.5, 1/4" Raised Face (in)

his datasheet is for weld neck flanges that have a raised face connection.  Additional in depth information about these flanges can be found on the raised face page.

  • Dimensions to 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.

data wnf b16.5 400 2500data wnf b16.5

Pipe Size

(NPS)

Outside Diameter of Flange

A

Diameter of Raised Face

B

Thickness of Flange

C

Diameter of Bore

D

Diameter of Hub at Weld

H

Diameter of Hub at Base

J

Length of Hub

K

Number of Bolt Holes

 

Diameter of Bolt Holes

 

Bolt Circle Diameter

P

Approx. Weight

(lb)

1/2 3 3/4 1 3/8 9/16 * 0.840 1 1/2 2 1/16 4 5/8 2 5/8 3
3/4 4 5/8 1 11/16 5/8 * 1.050 1 7/8 2 1/4 4 3/4 3 1/4 4
1 4 7/8 2 11/16 * 1.315 2 1/8 2 7/16 4 3/4 3 1/2 5
1 1/4 5 1/4 2 1/2 13/16 * 1.660 2 1/2 2 5/8 4 3/4 3 7/8 7
1 1/2 6 1/8 2 7/8 7/8 * 1.900 2 3/4 2 3/4 4 7/8 4 1/2 10
2 6 1/2 3 5/8 1 * 2.375 3 5/16 2 7/8 8 3/4 5 12
2 1/2 7 1/2 4 1/8 1 1/8 * 2.875 3 15/16 3 1/8 8 7/8 5 7/8 18
3 8 1/4 5 1 1/4 * 3.500 4 5/8 3 1/4 8 7/8 6 5/8 23
3 1/2 9 5 1/2 1 3/8 * 4.00 5 1/4 3 3/8 8 1 7 1/4 26
4 10 3/4 6 3/16 1 1/2 * 4.500 6 4 8 1 8 1/2 42
5 13 7 5/16 1 3/4 * 5.563 7 7/16 4 1/2 8 1 1/8 10 1/2 68
6 14 8 1/2 1 7/8 * 6.625 8 3/4 4 5/8 12 1 1/8 11 1/2 81
8 16 1/2 10 5/8 2 3/16 * 8.625 10 3/4 5 1/4 12 1 1/4 13 3/4 117
10 20 12 3/4 2 1/2 * 10.75 13 1/2 6 16 1 3/8 17 189
12 22 15 2 5/8 * 12.75 15 3/4 6 1/8 20 1 3/8 19 1/4 226
14 23 3/4 16 1/4 2 3/4 * 14.00 17 6 1/2 20 1 1/2 20 3/4 347
16 27 18 1/2 3 * 16.00 19 1/2 7 20 1 5/8 23 3/4 481
18 29 1/4 21 3 1/4 * 18.00 21 1/2 7 1/4 20 1 3/4 25 3/4 555
20 32 23 3 1/2 * 20.00 24 7 1/2 24 1 3/4 28 1/2 690
22 34 1/4 25 1/4 3 3/4 * 22.00 26 1/2 7 3/4 24 1 7/8 30 5/8 620
24 37 27 1/4 4 * 24.00 28 1/4 8 24 2 33 977
  • * To be specified by purchaser.