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Dust Collection Q&A

  •   Is there any rule of thumb for the length of a paint powder room to its width when a collector such as a Farr collector is in a corner discharging 15,000 cu ft/m along the length of the room to avoid a venturi effect in the two powder booths? The room proposed is to be 24 ft wide x 80 ft long.

    Answered February 9th, 2012 by Expert: Staffan Linnersten

    Each situation is different depending on the discharge velocity, proximity to structures that will cause turbulence, change in velocity and direction of the air flow. It is important to insure that there are no “hot spots” in terms of flow velocities and changes in velocity as well as direction in the booth.
    It is therefore never a bad idea to control flow velocities (ducting sizes at the discharge) and flow directions (baffles, vanes, flow directors) to create the motion of the air that is desired for the paint booth.

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