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Thread: Spray booth mods

  1. #1
    Join Date
    Dec 2015
    Posts
    269

    Default Spray booth mods

    I am in the process of upgrading my 30+ year paint booth by switching to LED bulbs and have now decided to upgrade the ventilation system over to PPV. Back almost 35 years ago when I got this booth they were all negative pressure systems (or at least to my knowledge they were). I won't be able to do a floor system as access won't allow it.

    I know Len made a change to PPV for his booth, so I'm wondering if your supply fan is in the ceiling, if so do you use a diffusers to soften and direct the air? I'm assuming your not letting your intake push towards your spray area? I have already obtained a very high flow explosion proof fan after calculating needed volume exchange. Both the intake and exhaust will be filtered, I will not be running an exhaust fan. Thanks for any info you can provide.

  2. #2
    Join Date
    Nov 2005
    Posts
    40,278

    Default

    Quote Originally Posted by Ronf View Post
    I am in the process of upgrading my 30+ year paint booth by switching to LED bulbs and have now decided to upgrade the ventilation system over to PPV. Back almost 35 years ago when I got this booth they were all negative pressure systems (or at least to my knowledge they were). I won't be able to do a floor system as access won't allow it.

    I know Len made a change to PPV for his booth, so I'm wondering if your supply fan is in the ceiling, if so do you use a diffusers to soften and direct the air? I'm assuming your not letting your intake push towards your spray area? I have already obtained a very high flow explosion proof fan after calculating needed volume exchange. Both the intake and exhaust will be filtered, I will not be running an exhaust fan. Thanks for any info you can provide.
    Here's how I initially did mine. LINK

    I was originally going to dig up the floor to vent the booth but decided to cut a 3X2' hole in the overhead door and put a filter in it. It works great.

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