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  1. Chris

    CAESER II - Negative Values (Fz / Fy Forces)

    Hello, I'm reviewing the results of CAESER II to determine bracket suitability however values presented in the report are in some cases negative and the software has interpreted these as the worst case results. See attached snapshot. How would these results be interpreted? Could these be...
  2. Chris

    Pressure Equipment Directive - Safety Valves Query

    Hello, Looking for some advice Re - PED equipment and safety valves. On a current project we have installed safety valves which have been certified and in date (Certification lasts for 1 year). Hypothetically what is the duration where the equipment can be idle before they require...
  3. Chris

    Coil Pressure Drop with Change in Flow Rate

    Hi all, Pressure drop through a coil is 93kPa with a flow rate of 27kg/s -If this changes to 30 kg/s what is the simplest way to calculate the revised pressure drop? Thanks,
  4. Chris

    Underground Fuel / Compressed Air Piping

    Hi All, We are currently working on an infrastructure project and we have encountered clashes when undertaking BIM modelling. With various services running parallel to each other (Wet & dry utilities) it is evident that these will cross at some point. My question is for compressed air...

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