5.3K views · 353 reactions | For process engineers, the most important information is the pipe Internal Diameter (ID), as this is used in line sizing calculations. As discussed above, for a given Nominal Pipe Size (NPS), the pipe Outside Diameter (OD) remains constant. As the pipe schedule changes, the ID of the pipe changes. | Piping Engineering World | Facebook

4.7K reactions · 775 shares | The dimensions of an elbow depend on...