12" Flange - 150 PSI - Hub Blank

Nominal Size12"
Pressure Class150 PSI
Connection TypeHub Blank
Bore11.38"
Outer Diameter (OD)19"
Flange Thickness1.19"
Barrel OD15.56"
Wall Thickness2.09"
Bolt Circle Diameter17"
Number of Bolt Holes12
Bolt Hole Size1"
Ring Groove (RF) Depth15"
Relief Diameter14.38"
Relief Length1.12"
RTJ Length5.25"
Stud Bolt Size7/8"
Weight (Base @ 12")329 lbs
Weight per Inch25 lbs/in

About This Specification

This page contains dimension and weight data for 12" 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