Flange - Blind, ANSI Class 400, B16.5, RTJ (in)

Written by Matt Milbury. Posted in Blind Flange Datasheets

Flange - Blind, ANSI Class 400, 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 b16.5 150 400data 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 3 3/4 9/16 2 1 11/32 9/32 7/32 4 5/8 2 5/8
3/4 4 5/8 5/8 2 1/2 1 11/16 11/32 1/4 4 3/4 3 1/4
1 4 7/8 11/16 2 3/4 2 11/32 1/4 4 3/4 3 1/2
1 1/4 5 1/4 13/16 3 1/8 2 3/8 11/32 1/4 4 3/4 3 7/8
1 1/2 6 1/8 7/8 3 9/16 2 11/16 11/32 1/4 4 7/8 4 1/2
2 6 1/2 1 4 1/4 3 1/4 15/32 5/16 8 3/4 5
2 1/2 7 1/2 1 1/8 5 4 15/32 5/16 8 7/8 5 7/8
3 8 1/4 1 1/4 5 3/4 4 7/8 15/32 5/16 8 7/8 6 5/8
3 1/2 9 1 3/8 6 1/4 5 3/16 15/32 5/16 8 1 7 1/4
4 10 1 3/8 6 7/8 5 7/8 15/32 5/16 8 1 7 7/8
5 11 1 1/2 8 1/4 7 1/8 15/32 5/16 8 1 9 1/4
6 12 1/2 1 5/8 9 1/2 8 5/16 15/32 5/16 12 1 10 5/8
8 15 1 7/8 11 7/8 10 5/8 15/32 5/16 12 1 1/8 13
10 17 1/2 2 1/8 14 12 3/4 15/32 5/16 16 1 1/4 15 1/4
12 20 1/2 2 1/4 16 1/4 15 15/32 5/16 16 1 3/8 17 3/4
14 23 2 3/8 18 16 1/2 15/32 5/16 20 1 3/8 20 1/4
16 25 1/2 2 1/2 20 18 1/2 15/32 5/16 20 1 1/2 22 1/2
18 28 2 5/8 22 5/8 21 15/32 5/16 24 1 1/2 24 3/4
20 30 1/2 2 3/4 25 23 17/32 3/8 24 1 5/8 27
22 33 2 7/8 27 25 19/32 7/16 24 1 3/4 29 1/4
24 36 3 29 1/2 27 1/4 21/32 7/16 24 1 7/8 32