Flange - Lap Joint, ANSI Class 300, B16.5 (in)

Written by Matt Milbury. Posted in Lap Joint Flange Datasheets

Flange - Lap Joint, ANSI Class 300, ASME B16.5 (in) Datasheet

Dimensions shown are for Raised Face and Flat Faced Flanged Datasheets

  • 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.
  • 1/4" raised face is not included in dimension "C" and "M".

data ljf b16.5 150 2500data ljf b16.5

Pipe Size

(NPS)

Outside Diameter of Flange

A

Thickness of Flange

C

Diameter of Bore

F

Diameter of Hub at Base

J

Length of Hub

M

Radius


R

Number of Bolt Holes

 

Diameter of Bolt Holes

 

Bolt Circle Diameter

P

Approx Weight

 

1/2 3 3/4 9/16 0.90 1 1/2 7/8 1/8 4 5/8 2 5/8 3
3/4 4 5/8 5/8 1.11 1 7/8 1 1/8 4 3/4 3 1/4 3
1 4 7/8 11/16 1.38 2 1/8 1 1/16 1/8 4 3/4 3 1/2 3
1 1/4 5 1/4 3/4 1.72 2 1/2 1 1/16 3/16 4 3/4 3 7/8 4
1 1/2 6 1/8 13/16 1.97 2 3/4 1 3/16 1/4 4 7/8 4 1/2 6
2 6 1/2 7/8 2.46 3 5/16 1 5/16 5/16 8 3/4 5 7
2 1/2 7 1/2 1 2.97 3 15/16 1 1/2 5/16 8 7/8 5 7/8 10
3 8 1/4 1 1/8 3.60 4 5/8 1 11/16 3/8 8 7/8 6 5/8 13
3 1/2 9 1 3/16 4.10 5 1/4 1 3/4 3/8 8 7/8 7 1/4 17
4 10 1 1/4 4.60 5 3/4 1 7/8 7/16 8 7/8 7 7/8 22
5 11 1 3/8 5.69 7 2 7/16 8 7/8 9 1/4 28
6 12 1/2 1 7/16 6.75 8 1/8 2 1/16 1/2 12 7/8 10 5/8 39
8 15 1 5/8 8.75 10 1/4 2 7/16 1/2 12 1 13 58
10 17 1/2 1 7/8 10.92 12 5/8 3 3/4 1/2 16 1 1/8 15 1/4 91
12 20 1/2 2 12.92 14 3/4 4 1/2 16 1 1/4 17 3/4 139
14 23 2 1/8 14.18 16 3/4 4 3/8 1/2 20 1 1/4 20 1/4 189
16 25 1/2 2 1/4 16.19 19 4 3/4 1/2 20 1 3/8 22 1/2 240
18 28 2 3/8 18.20 21 5 1/8 1/2 24 1 3/8 24 3/4 305
20 30 1/2 2 1/2 20.25 23 1/8 5 1/2 1/2 24 1 3/8 27 375
22 33 2 5/8 22.25 25 1/4 5 3/4 1/2 24 1 5/8 29 1/4 435
24 36 2 3/4 24.25 27 5/8 6 1/2 24 1 5/8 32 530