3" Flange - 600 PSI - Long Weld Neck

Nominal Size3"
Pressure Class600 PSI
Connection TypeLong Weld Neck
Bore3"
Outer Diameter (OD)8.25"
Flange Thickness1.25"
Barrel OD4.62"
Wall Thickness0.81"
Bolt Circle Diameter6.62"
Number of Bolt Holes8
Bolt Hole Size7/8"
Ring Groove (RF) Depth5"
Relief Diameter4.62"
Relief Length1"
RTJ Length2.7"
Stud Bolt Size3/4"
Weight (Base @ null")50 lbs
Weight per Inch4.6 lbs/in

About This Specification

This page contains dimension and weight data for 3" ASME B16.5 flanges at 600 PSI pressure class. The Long Weld Neck (LWN) connection type is specified herein.

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