The combined air mix then flows up the exhaust duct.
Spray booth air flow test.
In most cases it is necessary to test both air flow and worker exposure to the paint components.
By ron joseph.
The real issue with air flow in a spray paint booth is having adequate air.
Proper air flow in a spray booth leads to maximum cash flow.
Calculating air flow rate velocity in a spray booth.
For further information on spray booth air movement testing or air flow testing and certification call our office or use our contacts page to forward a request for further information.
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Fans to push and pull the air being pushed in and pulled out are done with two types of fans.
The amount of air flowing into the paint booth must be sufficient to overcome the overspray from the spray gun.
The air flow must be measured when the booth is empty during the spray cycle in the area that the spray painting is done.
What should the airflow be in a semi down draught booth with heated air replacement that is 6 6m long x 4 4m wide x 2 2m high.
A 14 wide x 9 tall x 26 long spray paint booth will exhaust at least 13 104 cubic feet of air per minute.
Once you have measured the air flow you will want to see what the original design specification for your paint booth airflow was.
Controlling the paint booth air flow going into the booth with relation to the air being exhausted from the booth is critically important to maintain the proper flow of air over the item being painted and remove the over spray effectively.
Running this spray booth for twenty minutes requires 262 080 cubic feet of available air.
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Less dirt in the paint job faster drying increased production.
A thermo anemometer with an averaging feature and datalogging is best suited for this type of measurement.
Testing air flow face velocity.
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A thermo anemometer with a telescopic articulated probe deflecting vane anemometer with a low flow probe rotating vane anemometer or velocity matrix can be used to test spray booths.