12" Flange - 2500 PSI - Hub Blank

Nominal Size12"
Pressure Class2500 PSI
Connection TypeHub Blank
Bore11.38"
Outer Diameter (OD)30"
Flange Thickness7.25"
Barrel OD20.12"
Wall Thickness4.37"
Bolt Circle Diameter24.38"
Number of Bolt Holes12
Bolt Hole Size2-7/8"
Ring Groove (RF) Depth15"
Relief Diameter17.38"
Relief Length3"
Weight (Base @ null")1609 lbs
Weight per Inch61 lbs/in

About This Specification

This page contains dimension and weight data for 12" ASME B16.5 flanges at 2500 PSI pressure class. The Hub Blank (HB) connection type is specified herein.

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