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Graco 24J599 Finex Air Spray Gravity Feed Side Cup Gun

Graco 24J599 Finex is a lightweight HVLP gravity-feed side-cup gun for clean, controlled fine-finish work great access in tight areas with the swiveling cup.

  • 1.2 mm needle/nozzle (fine-finish clears, stains, lacquers)
  • HVLP air gun – uses a compressor, not an airless sprayer
  • Needs ~10 SCFM @ ~30 psi clean, regulated air
  • 1/4" NPT air inlet; on-gun air adjustment
  • Lightweight, smooth trigger for reduced fatigue

Retail Price: $268
You save: $20.77 (7.75%)
Our Price: $247.23
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Precision HVLP side-cup gun for clean, controlled fine-finish spraying

Compatible Machines / Setups

This is a stand-alone air spray (HVLP) gun. It does not mount on Graco electric/airless sprayers (Ultra, GMAX, Mark series, etc.). It “fits” any setup that provides clean compressed air and cup-fed material.

  • • Any air compressor capable of ~10 SCFM @ 30 psi (or higher), with 1/4" NPT air line and regulator/filter.
  • • Shop or booth regulated air supply systems used for finishing lines.
  • • Graco or third-party air/HVLP finishing rigs that supply compressed air (non-turbine).
Note: For thicker coatings, a larger needle/nozzle set may be required.

The Graco 24J599 Finex Air Spray Gravity-Feed Side-Cup Gun is a lightweight, ergonomic HVLP spray gun with a swiveling side cup for better access in corners and tight spaces. Supplied with a 1.2 mm (0.047") needle/nozzle, it’s ideal for clear coats, stains, sealers, and other fine-finish materials where pattern control and a smooth surface are critical.

Key Features

  • Swiveling side-mounted gravity cup improves reach and visibility.
  • HVLP performance for high transfer efficiency and reduced overspray.
  • 1.2 mm setup targets fine-finish, lower-viscosity coatings.
  • Integrated on-gun air adjustment (“cheater” valve) for quick dialing-in.
  • Lightweight body and smooth trigger pull for reduced fatigue.

Specifications

Part Number 24J599
Gun Type HVLP conventional air spray, gravity-feed side cup
Needle/Nozzle (stock) 1.2 mm (0.047")
Air Inlet / Line 1/4" NPT (use clean, regulated, filtered air)
Recommended Air Supply ~9–10 SCFM @ ~29–40 psi (compressor with adequate reserve)
Max Working Pressure 100 psi (air & fluid)
Best For Clears, stains, lacquers, sealers, and other fine-finish materials
Not For Direct connection to airless sprayers (Ultra, GMAX, Mark, etc.)

What’s Included

  • Finex gravity-feed side-cup gun body
  • 1.2 mm needle/nozzle set (installed)
  • Aluminum gravity cup (side-mount)
  • On-gun air adjustment valve

Set-Up & Use Tips

  • Use a regulator & filter at the gun or drop to maintain stable pressure and clean air.
  • Strain coatings; thin per manufacturer guidance for 1.2 mm or step up to a larger setup for higher viscosity.
  • Start ~29–30 psi at the gun, test spray, then fine-tune fan/flow for pattern uniformity.

Frequently Asked Questions

Those are airless units; this is an HVLP air gun. It does not connect to airless pumps/hoses. Use a compressor that can provide roughly 9–10 SCFM @ ~29–40 psi and a clean, regulated air line.

The 1.2 mm needle/nozzle is geared to fine-finish, lower-viscosity materials like clears, stains, lacquers, and waterborne finishes that are properly thinned/conditioned. For thicker primers or high-build coatings, consider a larger setup.

The gun uses a 1/4" NPT air inlet. Use a clean, filtered, and regulated air line with compatible quick-connects. Keep hoses short where possible to limit pressure drop and moisture traps to keep air dry.
 
 
 

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