6" Flange - 900 PSI - Hub Blank

Nominal Size6"
Pressure Class900 PSI
Connection TypeHub Blank
Bore5.76"
Outer Diameter (OD)15"
Flange Thickness2.19"
Barrel OD10.69"
Wall Thickness2.46"
Bolt Circle Diameter12.5"
Number of Bolt Holes12
Bolt Hole Size1-1/4"
Ring Groove (RF) Depth8.5"
Relief Diameter9.25"
Relief Length1.38"
RTJ Length11"
Stud Bolt Size1-1/8"
Weight (Base @ null")436 lbs
Weight per Inch42 lbs/in

About This Specification

This page contains dimension and weight data for 6" ASME B16.5 flanges at 900 PSI pressure class. The Hub Blank (HB) connection type is specified herein.

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