Flange - Weld Neck, ANSI Class 150, B16.5 (in)

Written by Matt Milbury. Posted in Weld Neck Flange Datasheets

Flange - Weld Neck, ANSI Class 150, ASME B16.5, 1/16" Raised Face (in)

This 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 b16.5 150 300data 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 1/2 1 3/8 7/16 0.622 0.840 1 3/16 1 7/8 4 5/8 2 3/8 2
3/4 3 7/8 1 11/16 1/2 0.824 1.050 1 1/2 2 1/16 4 5/8 2 3/4 2
1 4 1/4 2 9/16 1.049 1.315 1 15/16 2 3/16 4 5/8 3 1/8 2.5
1 1/4 4 5/8 2 1/2 5/8 1.380 1.660 2 5/16 2 1/4 4 5/8 3 1/2 2.5
1 1/2 5 2 7/8 11/16 1.610 1.900 2 9/16 2 7/16 4 5/8 3 7/8 4
2 6 3 5/8 3/4 2.067 2.375 3 1/16 2 1/2 4 3/4 4 3/4 6
2 1/2 7 4 1/8 7/8 2.469 2.875 3 9/16 2 3/4 4 3/4 5 1/2 10
3 7 1/2 5 15/16 3.068 3.500 4 1/4 2 3/4 4 3/4 6 11
3 1/2 8 1/2 5 1/2 15/16 3.548 4.00 4 13/16 2 13/16 8 3/4 7 12
4 9 6 3/16 15/16 4.026 4.500 5 5/16 3 8 3/4 7 1/2 15
5 10 7 5/16 15/16 5.047 5.563 6 7/16 3 1/2 8 7/8 8 1/2 19
6 11 8 1/2 1 6.065 6.625 7 9/16 3 1/2 8 7/8 9 1/2 24
8 13 1/2 10 5/8 1 1/8 7.981 8.625 9 11/16 4 8 7/8 11 3/4 39
10 16 12 3/4 1 3/16 10.020 10.750 12 4 12 1 14 1/4 52
12 19 15 1 1/4 12.00 12.750 14 3/8 4 1/2 12 1 17 80
14 21 16 1/4 1 3/8 13.25 14.00 15 3/4 5 12 1 1/8 18 3/4 120
16 23 1/2 18 1/2 1 7/16 15.25 16.00 18 5 16 1 1/8 21 1/4 127
18 25 21 1 9/16 17.25 18.00 19 7/8 5 1/2 16 1 1/4 22 3/4 140
20 27 1/2 23 1 11/16 19.25 20.00 22 5 11/16 20 1 1/4 25 170
22 29 1/2 25 1/4 1 13/16 21.25 22.00 24 5 7/8 20 1 3/8 27 1/4 224
24 32 27 1/4 1 7/8 23.25 24.00 26 1/8 6 20 1 3/8 29 1/2 260