Flange - Blind, ANSI Class 900, B16.5, RTJ (in)

Written by Matt Milbury. Posted in Blind Flange Datasheets

Flange - Blind, ANSI Class 900, 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 4 3/4 7/8 2 3/8 1 9/16 11/32 1/4 4 7/8 3 1/4
3/4 5 1/8 1 2 5/8 1 3/4 11/32 1/4 4 7/8 3 1/2
1 5 7/8 1 1/8 2 13/16 2 11/32 1/4 4 1 4
1 1/4 6 1/4 1 1/8 3 3/16 2 3/8 11/32 1/4 4 1 4 3/8
1 1/2 7 1 1/4 3 5/8 2 11/16 11/32 1/4 4 1 1/8 4 7/8
2 8 1/2 1 1/2 4 7/8 3 3/4 15/32 5/16 8 1 6 1/2
2 1/2 9 5/8 1 5/8 5 3/8 4 1/4 15/32 5/16 8 1 1/8 7 1/2
3 9 1/2 1 1/2 6 1/8 4 7/8 15/32 5/16 8 1 7 1/2
3 1/2 - - - - - - - - -
4 11 1/2 1 3/4 7 1/8 5 7/8 15/32 5/16 8 1 1/4 9 1/4
5 13 3/4 2 8 1/2 7 1/8 15/32 5/16 8 1 3/8 11
6 15 2 3/16 9 1/2 8 5/16 15/32 5/16 12 1 1/4 12 1/2
8 18 1/2 2 1/2 12 1/8 10 5/8 15/32 5/16 12 1 1/2 15 1/2
10 21 1/2 2 3/4 14 1/4 12 3/4 15/32 5/16 16 1 1/2 18 1/2
12 24 3 1/8 16 1/2 15 15/32 5/16 20 1 1/2 21
14 25 1/4 3 3/8 18 3/8 16 1/2 21/32 7/16 20 1 5/8 22
16 27 3/4 3 1/2 20 5/8 18 1/2 21/32 7/16 20 1 3/4 24 1/4
18 31 4 23 3/8 21 25/32 1/2 20 2 27
20 33 3/4 4 1/4 25 1/2 23 25/32 1/2 20 2 1/8 29 1/2
22 - - - - - - - - -
24 41 5 1/2 30 3/8 27 1/4 1 1/16 5/8 20 2 5/8 35 1/2