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  1. 30-08-2010, 01:16 PM #1
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    titanum456
    titanum456 is offline Registered User Hey, I am new to : RE
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    Duct Design for Positive and Negative Pressure



    I am currently doing a simple calculation for my duct sizing.
    I am referring to the ROUND INDUSTRIAL DUCT CONSTRUCTION STANDARDS by SMACNA.
    In that guide, it mentioned about duct design for negative pressure and design for positive pressure.
    How am I able to know these values ?


  2. 30-08-2010, 07:42 PM #2
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    Brian_UK
    Brian_UK is offline Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
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    Re: Duct Design for Positive and Negative Pressure

    Surely the Standards tell you what you need to know?

    You ask about values, values of what?
    Brian - Newton Abbot, Devon, UK
    Retired March 2015
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