Help Choosing the Right Air Cap Size
Be sure to order the correct air cap sets for your specific Fuji Spray gun. Note that the fluid jet and needle MUST always match exactly. However, the spraycap/air nozzle may be one size up or down from the norm. The sizes No. 2 and 3 setups are both ideal for all fine finishing.
Full Set of Fuji 5100 Air Caps for T70 and T75G Spray Guns. I keep a full inventory of air caps for ALL Fuji Spray guns.
Generally speaking, the quality of atomization and finish suffers as you go to the largest size setups (numbers 5, 6, and 7).
Please note that the chart offers you a starting point only as to the setup size to be used. The best way to decide is by experimentation. If you are using the #2 setup and wish to spray faster, wetter, then switch to #3.
IF YOU DO NOT PLAN TO SPRAY WALLS AND CEILINGS, THEN THE ONLY TWO SETUPS YOU WOULD EVER NEED ARE THE #2 AND THE #3.
The air cap set sizes:
#1....0.8mm (.031”) — Super-fine output — nano products, inks, shading, airbrush work, anything that requires an extra fine spray. For artists, small surfaces, touch up, shading, stains, thinner, zinc. SUNLESS or Xpc spray gun only.
#2...1.0mm (.039”) — Fine output — Most “fine finishing” — water-based lacquers, nitrocellulose lacquers, sealers, cellulose, acrylics, synthetics, polyurethane stains, varnish, glitter paints, primers.
#3...1.3mm (0.51”) — Medium output — Similar to #2 but more coverage. Especially suitable for automotive enamels, nitrocellulose lacquer, catalyzed lacquers and latex where finer finish is required such as louver doors, trim, cabinets (see article on latex). Also good for varnishes and oil-based paints.
#4…1.5mm (0.59”) — Medium output — Similar to #3 but with more coverage (useful for walls, ceilings, autos) — Especially suitable for automotive enamels, nitrocellulose lacquer, catalyzed lacquers and latex where finer finish is required such as on louver doors, trim, cabinets. Also good for varnishes, primers, and oil-based paints. (Higher output allows you to spray fast drying finishes to obtain better leveling.)
#5...1.8mm (.070”) — High output — for larger surfaces, thick layers, spotted effects — for sealers, varnish, polyurethane, oil-based paints, enamels, epoxy, plastic, adhesives, floor paving paints, latex (on walls), splatter paints, multi-fleck, etc.
#6...2.0mm (.078”) — Extra high output — very heavy flows, fast coverage — for stone finish paints, texture coatings, industrial primers, multi-fleck paints, latex on walls and ceilings, etc.
#7…2.5mm (0.98”) — Very high output — extra heavy flows, fastest coverage — for stone finish paints, texture coatings, industrial primers, multi-fleck paints, latex on walls and ceilings, etc. (We used a #7 air cap on a Fuji T70 spray gun in two videos of spraying a house)
If you’re buying a Fuji Spray system, consider choosing a package that includes the specific extra air cap(s) you need. This gives you a discount and saves the shipping cost of ordering them later.
This video shows changing an air cap on an older spray gun, but the same process applies to newer Fuji spray guns. See your spray gun manual for any details.
Changing air cap setup on a Fuji Spray T75G HVLP Spray Gun
Fuji Spray also has an excellent article on air cap setups explaining them in detail.
Air Cap Setups for Fuji T-Series Spray Guns — T70 and T75G
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Air Cap Setups for Fuji Gxpc Spray Gun
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Air Cap Setups for Fuji M-Model Spray Guns (for Semi-PRO 2 and Hobby-PRO 2)
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Air Cap Setups for Older Fuji Spray Guns
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Air Caps for Fuji Compressor Spray Guns
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The 6890H-V8 1.2mm ultra fine air cap setup for the Fuji Auto H-V8 spray gun is recommended for virtually all clear coats.
Pay in 4 interest-free payments of $17.48 — (At checkout, choose PayPal as your payment method, then choose Pay in 4.)
Includes anodized aluminum spray cup and stainless steel nozzle and spray tip.
(Always check the Technical Data Specification sheet for your coating.)
The 6890 series of air cap setups fits ONLY the Fuji Spray Auto H-V8 gun — for use only with air compressors, not turbines.