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

Written by Matt Milbury. Posted in Weld Neck Flange Datasheets

Flange - Weld Neck, ANSI Class 1500, 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 4 3/4 1 3/8 7/8 * 0.840 1 1/2 2 3/8 4 7/8 3 1/4 9
3/4 5 1/8 1 11/16 1 * 1.050 1 3/4 2 3/4 4 7/8 3 1/2 9
1 5 7/8 2 1 1/8 * 1.315 2 1/16 2 7/8 4 1 4 9
1 1/4 6 1/4 2 1/2 1 1/8 * 1.660 2 1/2 2 7/8 4 1 4 3/8 10
1 1/2 7 2 7/8 1 1/4 * 1.900 2 3/4 3 1/4 4 1 1/8 4 7/8 14
2 8 1/2 3 5/8 1 1/2 * 2.375 4 1/8 4 8 1 6 1/2 25
2 1/2 9 5/8 4 1/8 1 5/8 * 2.875 4 7/8 4 1/8 8 1 1/8 7 1/2 36
3 10 1/2 5 1 7/8 * 3.500 5 1/4 4 5/8 8 1 1/4 8 48
3 1/2 - - - - - - - - - - -
4 12 1/4 6 3/16 2 1/8 * 4.500 6 3/8 4 7/8 8 1 3/8 9 1/2 73
5 14 3/4 7 5/16 2 7/8 * 5.563 7 3/4 6 1/8 8 1 5/8 11 1/2 132
6 15 1/2 8 1/2 3 1/4 * 6.625 9 6 3/4 12 1 1/2 12 1/2 164
8 19 10 5/8 3 5/8 * 8.625 11 1/2 8 3/8 12 1 3/4 15 1/2 273
10 23 12 3/4 4 1/4 * 10.750 14 1/2 10 12 2 19 454
12 26 1/2 15 4 7/8 * 12.750 17 3/4 11 1/8 16 2 1/8 22 1/2 690
14 29 1/2 16 1/4 5 1/4 * 14.00 19 1/2 11 3/4 16 2 3/8 25 940
16 32 1/2 18 1/2 5 3/4 * 16.00 21 3/4 12 1/4 16 2 5/8 27 3/4 1250
18 36 21 6 3/8 * 18.00 23 1/2 12 7/8 16 2 7/8 30 1/2 1625
20 38 3/4 23 7 * 20.00 25 1/4 14 16 3 1/8 32 3/4 2050
22 - - - - - - - - - - -
24 46 27 1/4 8 * 24.00 30 16 16 3 5/8 39 3325
  • * To be specified by purchaser.