3-1/2" Flange - 600 PSI - Hub Blank

Nominal Size3-1/2"
Pressure Class600 PSI
Connection TypeHub Blank
Bore3.36"
Outer Diameter (OD)9"
Flange Thickness1.38"
Barrel OD5.81"
Bolt Circle Diameter7.25"
Number of Bolt Holes8
Bolt Hole Size1"
Ring Groove (RF) Depth5.5"
Relief Diameter5.25"
Relief Length1.12"
RTJ Length3.4"
Stud Bolt Size7/8"
Weight (Base @ null")116 lbs
Weight per Inch15 lbs/in

About This Specification

This page contains dimension and weight data for 3-1/2" 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