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  1. pharma9

    Cleanroom Pumps

    Hello, Can anyone suggest a suitable type of pump for use in a cleanroom where it is important that the pump doesn't product contaminents? I thought of a diaphragm pump but can these be fully sanitized (as this is an important requirement in this case)? Also, are there any ways of recovering...
  2. pharma9

    HEPA filters & safe change boxes

    Thanks for all the help! I am in a situation where I am trying to justify the addition of a safechange filter based on referenced standards - does anyone know if it is a requirement to install them in Pharmaceutical cleanrooms or if it is just up to the company? From the standards I've read...
  3. pharma9

    HEPA filters & safe change boxes

    Does anyone know on what occasions is it necessary to use safe change boxes in cleanrooms for the replacement of HEPA filters?
  4. pharma9

    Sizing air conditioner units?

    Unfortunately, I am writing from Europe so I won't have the necessary time to access the ASHRAE handbook. I have found some good links for calculating residential unit sizes, but I would like to know what the calculations are behind them so that I can remove some of the assumations that don't...
  5. pharma9

    Sizing air conditioner units?

    I am looking to size an air conditioning unit for a small room (with no windows) containing a heat producing piece of equipment. Where would be a good place to find information on the necessary calculations?

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