18" Flange - 300 PSI - Hub Blank

Nominal Size18"
Pressure Class300 PSI
Connection TypeHub Blank
Bore18"
Outer Diameter (OD)28"
Flange Thickness2.31"
Barrel OD22.75"
Wall Thickness2.38"
Bolt Circle Diameter24.75"
Number of Bolt Holes24
Bolt Hole Size1-3/8"
Ring Groove (RF) Depth21"
Weight (Base @ 12")630 lbs

About This Specification

This page contains dimension and weight data for 18" ASME B16.5 flanges at 300 PSI pressure class. The Hub Blank (HB) connection type is specified herein.

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