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  • Users: arabei
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  1. arabei

    Jockey Pump Selection

    Hi all, I'm really confused about how to select a jockey pump, and i mean in terms of flow. I would dearly appreciate if any one can give me some refrenced info. about this subject Or how to predict the expected leakage rates in a conventional commercial system.
  2. arabei

    Ventilation and Air Conditioning Requirments of Automated People Mover

    Hi all, I was wondering does any one have an idea about the ventilation and air conditioning requirments of the APM's tunnel and station or if there's a reliable source of information concerning this subject.
  3. arabei

    Can we use VFD's with both primary & secondary loops?

    Hi all, I was wondering about the possibility of using VFD's with the primary & secondary loops (ie. not the fomous discussion about P-only Vs. P-S systems), and if the primary and secondary loops have different delta T and accordingly the secondary loop has a gpm greater than that of the...
  4. arabei

    comparison between chilled water and dx systems

    I would dearly appretiate it if you would help in this topic

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