Industrial Pipe Nozzle Flange Detail With Bolt Circle Layout

This industrial pipe nozzle flange drawing shows a detailed mechanical layout used for piping and pressure vessel connection systems. The drawing illustrates multiple nozzle flange sizes arranged from small to large diameter with circular bolt hole patterns around the flange plate. Each flange includes centerline references, bolt hole placement, outer diameter dimensions, and internal pipe opening dimensions. The layout clearly presents sectional elevation and plan views of the flange assembly, including the flange plate thickness, pipe connection position, and structural support base. Bolt circle spacing and symmetrical bolt arrangements are shown to help ensure proper alignment during the installation of piping components.