6" Flange - 400 PSI - Long Weld Neck

Nominal Size6"
Pressure Class400 PSI
Connection TypeLong Weld Neck
Bore6"
Outer Diameter (OD)12.5"
Flange Thickness6"
Barrel OD8.12"
Wall Thickness1.06"
Bolt Circle Diameter10.62"
Number of Bolt Holes12
Bolt Hole Size1"
Ring Groove (RF) Depth8.5"
Relief Diameter8.12"
Relief Length7/8"
RTJ Length110"
Weight (Base @ null")6.7 lbs
Weight per Inch169 lbs/in

About This Specification

This page contains dimension and weight data for 6" ASME B16.5 flanges at 400 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