3" Flange - 150 PSI - Hub Blank

Nominal Size3"
Pressure Class150 PSI
Connection TypeHub Blank
Bore2.9"
Outer Diameter (OD)7.5"
Flange Thickness0.88"
Barrel OD4.94"
Wall Thickness1.02"
Bolt Circle Diameter6"
Number of Bolt Holes4
Bolt Hole Size3/4"
Ring Groove (RF) Depth5"
Relief Diameter4.25"
Relief Length0.88"
RTJ Length4"
Stud Bolt Size5/8"
Weight (Base @ 9")38 lbs
Weight per Inch3.6 lbs/in

About This Specification

This page contains dimension and weight data for 3" ASME B16.5 flanges at 150 PSI pressure class. The Hub Blank (HB) connection type is specified herein.

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