Flange - Blind, ANSI Class 2500, B16.5, RTJ (in)

Written by Matt Milbury on . Posted in Blind Flange Datasheets

Flange - Blind, ANSI Class 2500, ASME B16.5, Ring Type Joint Datasheet

This datasheet is for flanges that have a ring type joint (RTJ) end connection.  Additional in depth information about these kinds of flanges can be found on the Ring Type Joint page.

  • Dimensions per 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 bf rjf b16.5 600 2500data rtj b16.5 150 2500

Pipe Size

(NPS)

Outside Diameter of Flange

A

Thickness of Flange

C

Diameter of Raised Face

T

Diameter of Groove

U

Groove Width

W

Groove Depth

X

Number of Bolt Holes

 

Diameter of Bolt Holes

 

Bolt Circle Diameter

P

1/2 5 1/4 1 3/16 2 9/16 1 11/16 11/32 1/4 4 7/8 3 1/2
3/4 5 1/2 1 1/4 2 7/8 2 11/32 1/4 4 7/8 3 3/4
1 6 1/4 1 3/8 3 1/4 2 3/8 11/32 1/4 4 1 4 1/4
1 1/4 7 1/4 1 1/2 4 2 27/32 15/32 5/16 4 1 1/8 5 1/8
1 1/2 8 1 3/4 4 1/2 3 1/4 15/32 5/16 4 1 1/4 5 3/4
2 9 1/4 2 5 1/4 4 15/32 5/16 8 1 1/8 6 3/4
2 1/2 10 1/2 2 1/4 5 7/8 4 3/8 17/32 3/8 8 1 1/4 7 3/4
3 12 2 5/8 6 5/8 5 17/32 3/8 8 1 3/8 9
3 1/2 - - - - - - - - -
4 14 3 8 6 3/16 22/51 7/16 8 1 5/8 10 3/4
5 16 1/2 3 5/8 9 1/2 7 1/2 21/32 1/2 8 1 7/8 12 3/4
6 19 4 1/4 11 9 25/32 1/2 8 2 1/8 14 1/2
8 21 3/4 5 13 3/8 11 29/32 9/16 12 2 1/8 17 1/4
10 26 1/2 6 1/2 16 3/4 13 1/2 1 3/16 11/16 12 2 5/8 21 1/4
12 30 7 1/4 19 1/2 16 1 5/16 11/16 12 2 7/8 24 3/8