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Control Valve Station Layout in Piping CAD: Bypass, Isolation, Access, and Removal
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Pipe and Fitting Outside Dimensions in CAD: Why Nominal Size Does Not Define the Envelope
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Pipe Shoes, Saddles, and Wear Pads in CAD: Geometry, Load Path, and Documentation
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STD, XS, XXS, and Pipe Schedule: How Wall Designations Relate
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Piping CAD Catalogs vs. Project Specifications: Geometry, Selection Rules, and Data Control
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How to Read Reducing Tee Sizes: Run, Branch, and CAD Catalog Mapping
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Flange Dimension Terminology: Bore, Bolt Circle, Face, Hub, and Thickness
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Piping CAD Level of Detail: Centerlines, Space Claims, and Fabrication Geometry
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P&ID Symbols vs. 3D Piping Models: Why Functional Diagrams and Physical Geometry Differ