20" Flange - 600 PSI - Hub Blank

Nominal Size20"
Pressure Class600 PSI
Connection TypeHub Blank
Bore20"
Outer Diameter (OD)32"
Flange Thickness3.5"
Barrel OD25.94"
Wall Thickness2.97"
Bolt Circle Diameter28.5"
Number of Bolt Holes24
Bolt Hole Size1-3/4"
Ring Groove (RF) Depth23"
Relief Diameter24"
Relief Length1.88"
RTJ Length39"
Stud Bolt Size1-3/4"
Weight (Base @ null")1920 lbs
Weight per Inch139 lbs/in

About This Specification

This page contains dimension and weight data for 20" 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