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  • Users: H4nkj
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  1. H4nkj

    Glycol Chiller Unloading Cycle Design

    Please bear with me if I am not using some of these HVAC terms correctly. I have a bit of refrigerant knowledge but the refrigerant cycle has always been tertiary to my work. I have four air-cooled glycol/water chillers purchased from an OEM. The refrigerant circuit is equipped with a...
  2. H4nkj

    Nitrogen Piping Material Requirement - ISO 8 Clean Room

    Hello all, Long time lurker, first time poster. I have been given a seemingly easy task but I'm hitting a wall. We have a nitrogen header piped through ISO 8 Clean Room laboratories. This is currently fed from a bulk LN2 tank and I need to disconnect that feed and supply the header from a...

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