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Ask the Expert Question-and-Answer Archive

by Ron Joseph

October, 2004

Selecting a Side Draft Dry Filter Paint Spray Booth

Q. We are designing batch type painting booth for Lacquer coating on wooden furniture (Cupboard), approximate size of cupboard is 75" (H) x 38.5" (W) x 18.5" (D). Which booth will be suitable for such application Water wash side draught/ Water wash down draught/ Dry back booth or any other? Please suggest?

Thank you for your question.Before I cananswer thisd please tell me how many cupboards will be painted inside the booth at any one time ... will you only have one cupboard in the booth or several?

What are the dimensions of the booth?

Will the painters be walking around the cupboard to paint all four sides, or will they predominantly be standing inone position facing the spray booth exhaust plenum?

How much lacquer (gallons or litres) do you intend to use per day?

What type of spray guns will you be using?

Thanks for your reply. Following are the details as required,

1. No of cupboards at a time in the booth: 1 no
2. Approximate Dimension of booth: 2500 (W) x 2500 (H) x 3000 (D) in mm
3. Painter will be standing in one position facing the spray booth exhaust plenum
4. Lacquer consumption: 40 lit/day (8 hrs shift)
5. Spray gun: HVLP gun

Based on the information you provided I assume that a side draft, dry filter spray booth will be adequate. Provided that your painter uses good painting techniques to cut down on overspray, and knows how to properly set up the HVLP gun, a dry filter booth is more appropriate than a waterwash spray booth.

Best wishes,

Ron Joseph

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