Flange - Lap Joint, ANSI Class 2500, B16.5 (in)

Written by Matt Milbury. Posted in Lap Joint Flange Datasheets

Flange - Lap Joint, ANSI Class 2500, 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 5 1/4 1 3/16 0.90 1 11/16 1 9/16 1/8 4 7/8 3 1/2 7
3/4 5 1/2 1 1/4 1.11 2 1 11/16 1/8 4 7/8 3 3/4 8
1 6 1/4 1 3/8 1.38 2 1/4 1 7/8 1/8 4 1 4 1/4 12
1 1/4 7 1/4 1 1/2 1.72 2 7/8 2 1/16 3/16 4 1 1/8 5 1/8 17
1 1/2 8 1 3/4 1.97 3 1/8 2 3/8 1/4 4 1 1/4 5 3/4 24
2 9 1/4 2 2.46 3 3/4 2 3/4 5/16 8 1 1/8 6 3/4 37
2 1/2 10 1/2 2 1/4 2.97 4 1/2 3 1/8 5/16 8 1 1/4 7 3/4 53
3 12 2 5/8 3.60 5 1/4 3 5/8 3/8 8 1 3/8 9 80
3 1/2 - - - - - - - - - -
4 14 3 4.60 6 1/2 4 1/4 7/16 8 1 5/8 10 3/4 122
5 16 1/2 3 5/8 5.69 8 5 1/8 7/16 8 1 7/8 12 3/4 204
6 19 4 1/4 6.75 9 1/4 6 1/2 8 2 1/8 14 1/2 314
8 21 3/4 5 8.75 12 7 1/2 12 2 1/8 17 1/4 471
10 26 1/2 6 1/2 10.92 14 3/4 9 1/2 12 2 5/8 21 1/4 897
12 30 7 1/4 12.92 17 3/8 10 1/2 12 2 7/8 24 3/8 1262