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Ask the Expert Question-and-Answer Archive

by Ron Joseph

November, 2004

HVLP Spray Gun & Compressor

Q. I read you article about the HVLP guns. My question is can I use a HVLP gun with a regular 33 gallon Craftsman compressor or do I need a HVLP compressor? Also, which gun do you recommend for a HVLP and Non HVLP? I want gravity fed guns. I would appreciate it. Thanks

I looked at the Craftsman website for the product specification at the 33-gallon Craftsman compressor. According to the specification the compressor can deliver up to 150 psig, but the volume of air that is can deliver at 40 psig = 8.6 Standard Cubic Feet per Minute (SCFM) and at 90 psig = 6.4 SCFM. For most HVLP spray guns this is not sufficient air volume to alloow you atomize paint. Most HVLP guns need approximately 15-25 SCFM for optimum operation. If you look at the

Craftsman website it appears that the compressor is intended for operating power tools.

I hope this helps.

Best Wishes,

Ron Joseph

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