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

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

Flange - Weld Neck, ANSI Class 300, ASME B16.5, 1/16" 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 b16.5 150 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 3/4 1 3/8 9/16 0.622 0.840 1 1/2 2 1/16 4 5/8 2 5/8 2
3/4 4 5/8 1 11/16 5/8 0.824 1.050 1 7/8 2 1/4 4 3/4 3 1/4 3
1 4 7/8 2 11/16 1.049 1.315 2 1/8 2 7/16 4 3/4 3 1/2 4
1 1/4 5 1/4 2 1/2 3/4 1.380 1.660 2 1/2 2 9/16 4 3/4 3 7/8 6
1 1/2 6 1/8 2 7/8 13/16 1.610 1.900 2 3/4 2 11/16 4 7/8 4 1/2 8
2 6 1/2 3 5/8 7/8 2.067 2.375 3 5/16 2 3/4 8 3/4 5 9
2 1/2 7 1/2 4 1/8 1 2.469 2.875 3 15/16 3 8 7/8 5 7/8 12
3 8 1/4 5 1 1/8 3.068 3.500 4 5/8 3 1/8 8 7/8 6 5/8 15
3 1/2 9 5 1/2 1 3/16 3.548 4.00 5 1/4 3 3/16 8 7/8 7 1/4 18
4 10 6 3/16 1 1/4 4.026 4.500 5 3/4 3 3/8 8 7/8 7 7/8 25
5 11 7 5/16 1 3/8 5.047 5.563 7 3 7/8 8 7/8 9 1/4 32
6 12 1/2 8 1/2 1 7/16 6.065 6.625 8 1/8 3 7/8 12 7/8 10 5/8 42
8 15 10 5/8 1 5/8 7.981 8.625 10 1/4 4 3/8 12 1 13 67
10 17 1/2 12 3/4 1 7/8 10.020 10.750 12 5/8 4 5/8 16 1 1/8 15 1/4 91
12 20 1/2 15 2 12.00 12.750 14 3/4 5 1/8 16 1 1/4 17 3/4 138
14 23 16 1/4 2 1/8 13.25 14.00 16 3/4 5 5/8 20 1 1/4 20 1/4 186
16 25 1/2 18 1/2 2 1/4 15.25 16.00 19 5 3/4 20 1 3/8 22 1/2 246
18 28 21 2 3/8 17.25 18.00 21 6 1/4 24 1 3/8 24 3/4 305
20 30 1/2 23 2 1/2 19.25 20.00 23 1/8 6 3/8 24 1 3/8 27 378
22 33 25 1/4 2 5/8 21.25 22.00 25 1/4 6 1/2 24 1 5/8 29 1/4 425
24 36 27 1/4 2 3/4 23.25 24.00 27 5/8 6 5/8 24 1 5/8 32 545