6" Flange - 900 PSI - Long Weld Neck

Nominal Size6"
Pressure Class900 PSI
Connection TypeLong Weld Neck
Bore6"
Outer Diameter (OD)15"
Flange Thickness2.19"
Barrel OD9.25"
Wall Thickness1.63"
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")259 lbs
Weight per Inch18 lbs/in

About This Specification

This page contains dimension and weight data for 6" ASME B16.5 flanges at 900 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