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  1. PDSS

    PDMS or SmartPlant 3D

    I am a mechanical engineer, working on PDS/PDMS projects for more than 12 years. Until about a year ago, I would have considered PDMS over all the other options. The graphics, the ease in producing reports, the user interface (undo included) are unbeatable, but... PDMS is almost dead on this...
  2. PDSS

    Valve Trim No.

    I ran into some valve specifications where the trim of the valve is described as 'Trim 5' or 'Trim 8'. What are these numbers? I understand that the valve trim numbers correspond to the numbers in API-600 Table 3 or API-602 Table 4 Anybody can help me find these tables? Thx

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