Just Playing Around With The DIY Hobby Spray Booth Exhaust - Vent Works

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We chose this Dayton blower because it is quiet and powerful. We ran comparison tests of many different blowers/fans and the Dayton 6FHX9 was the quietest, it held up the best against static pressure and won the best overall performance out of any other blowers of similar power (265 CFM). Also, we have received positive feedback about the blower from many readers that have used it in their booth.
Specifications Of Our Booth
265 CFM exhaust blower, 115 volt, 1.9 amp, 1500 RPM.
7 foot long grounded power cord.
24 gauge galvanized steel mounting panel for blower.
24 gauge galvanized steel filter rack, for use with standard furnace replacement filter. 12" x 24" x 1"
4 inch round exhaust duct outlet for easy venting (standard dryer vent)
1/2 inch thick plywood for bottom, sides, back and front panels.
1/4 inch thick plexiglass for top panel.

[@paulbowkunowicz6960]

That is great that guys have all the build drawings for that spray booth...thank you...I will be purchacing those part from you guys soon

[@derbigpr500]

Would making a separate enclosure for the motor, that would completely isolate it from the vapors, help in preventing fires and explosions? Meaning, does the hazard come mainly from the vapors being sucked THROUGH the actual blower, or because vapors come in contact with the outside parts of the motor?

[@Ventworksproducts]

Yes, making a separate enclosure for a motor could help in preventing fires and explosions but existing fans and blowers are not designed to be used this way. You could create your own fan or blower from scratch and make it that way. There are also explosion/vapor proof motors and switches that you could use but they’re very expensive.
The hazard comes from the vapors coming in contact with the motor windings. This is why we chose this style of blower; the motor windings are completely out of the flow never coming in direct contact with vapors. For an explosion to occur the concentration of flammable vapor must be at or above its lower explosive limit (LEL). In most cases if the fan is running before vapor is introduced the concentration of vapor will be diluted and less than its LEL.

[@narutito03]

Is it safe with aerosol spray? (explosion proof)

[@chozki5930]

Is it fine to airbrush lacquer paint in this booth? I'm painting gundam models

[@Ventworksproducts]

Yes it is fine to airbrush lacquer paint with this booth

[@SmashedGlass]

Why not the 1TDR3 blower?

[@ventworks4268]

Hi Erik,
Because we are using the blower on a spray-booth and introducing flammable vapor, the number one consideration is whether or not the motor is enclosed in a way that limits the chance of an explosion. We chose the 6FHX9, as it is the most resistant to explosion.
Thank you,
Alex
Vent Works

[@IntegraGSR5]

How loud is the blower?

[@Ventworksproducts]

If you build the booth using our specs it will be quite compared to the other powerful spray booths e.g. Artograph 1530 but it’s louder than the cheap portable spray booths. Those portable spray booths are pretty quiet because they are essentially using a computer fan not a professional blower.
Generally the lower the RPM of the blower/fan the quieter it will be, so we searched to find a blower with the lowest RPM possible while still achieving the proper CFM under realistic amounts of static pressure. We choose this blower because its noise to power ratio is good.
If you have any other questions just let anyone at Vent Works know and they will take care of you.

[@Captain_MonsterFart]

Is it as loud in real life?