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  1. DAT17

    Ejector effect in two joining pipelines?

    I have a problem with flow measurument in two joining water lines that seems to be caused by an ejector effect at the connection. The main header is a 10 inch line with normal velocity of 1.75 m/s. I then have a 6 inch line connecting via a reducing T. After the connection the line velocity in...
  2. DAT17

    Top Hat Orifice Design

    Does anyone know where I can start looking for a top hat orifice design tool/ guidelines? I have an application where we have to take quite a large pressure drop in a water line and I believe I might be able to get away with less cavitation if I use a top hat style design.
  3. DAT17

    Media Filter Nozzle Density

    Does anyone have a rule of thumb for the density of filtration nozzles per m2 for a pressurized dual media filter with a nozzle floor design? The filter will be operating on seawater feed.
  4. DAT17

    API 598 vs DIN 3230-3

    Can ayone advise what the major differences between the API 598 and DIN 3230 part 3 for valve testing are? Is the DIN standard more onerous?

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