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Why Pipe Outside Diameter Usually Stays the Same When Schedule Changes
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Wafer vs. Lug Butterfly Valves in Piping CAD: Bolting, Removal, and Layout Control
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Piping Weight in CAD: Empty, Operating, Test, and Insulated Load Cases
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Piping CAD Connection Points: Origins, Ports, Centerlines, and Replacement Control
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Piping Guide Gaps and Line Stops in CAD: Direction, Clearance, and Movement Control
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Pipe Wall Eccentricity and Concentricity: Why the Bore May Not Match the OD Centerline
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Socket-Weld Connections in Piping CAD: Socket Depth, Assembly Gap, and Pipe Cut Length
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Valve Face-to-Face Dimensions in Piping CAD: Reference Planes, End Connections, and Replacement Checks
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Pipe Nipples in CAD: Length, End Connections, and Threaded Makeup