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    By Andy Davis

    There is sometimes a requirement to include both ANSI flanges and PN flanges in the same pipe spec in Plant 3D. You may need to do this if, for example, you are combining standard ANSI pipes and fittings and nozzles with metric valves with PN rated flanges. This is not a problem when creating the pipe spec.  However, when modelling a pipe run in Plant 3D you may well run in to difficulty with the standard piping connection settings.

    In this discussion, we will combine 150LB ANSI Slipon flanges and and PN16 EN 1092-1 Slipon flanges in the same pipe spec and assume that we have also included the corresponding boltsets and gaskets.