CLASS  -   150, 300, 400, 600, 900, 1500, 2500

ANSI B16.5 --- Class 2500

Class 2500 Slip-Ons are not included in ASME B16.5 specifications.
Thickness and length through hub do not include 1/4" raised face.
See 300 Class dimensions for dimensions "Q" and "D".
See 300 Class dimensions for dimensions "Q" and "D".