12" Flange - 600 PSI - Hub Blank

Nominal Size12"
Pressure Class600 PSI
Connection TypeHub Blank
Bore11.38"
Outer Diameter (OD)22"
Flange Thickness2.62"
Barrel OD17.25"
Wall Thickness2.94"
Bolt Circle Diameter19.25"
Number of Bolt Holes20
Bolt Hole Size1-3/8"
Ring Groove (RF) Depth15"
Relief Diameter15.75"
Relief Length1.5"
RTJ Length23"
Stud Bolt Size1-1/4"
Weight (Base @ null")779 lbs
Weight per Inch76 lbs/in

About This Specification

This page contains dimension and weight data for 12" ASME B16.5 flanges at 600 PSI pressure class. The Hub Blank (HB) connection type is specified herein.

Data Source: FCI Forged Components Catalog 2020 | ASME B16.5-2020 Standard