Devilbiss Finishline FLG4 Spray Gun

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The Devilbiss FLG-G4 Finishline conventional paint spray gun comes in the nozzle size of 1.5 and is suitable for industrial and general purpose applications.

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Technical Specifications

Models: FLG-CNG-115
Nozzle Size: 1.5 mm [0.059 in]
Atomization Type: conventional
Air consumption (@40 psi): 294 lpm [10.4 cfm]
Air Pressure (max.): 6.9 bar [100 psi]
Pattern Size: 305 mm [12 in]
Gun Body: Forged Aluminum
Fluid Tip/Nozzle: Stainless Steel
Fluid Needle: Stainless Steel
Fluid Path: Anodized Aluminum  and Stainless Steel
Air Inlet Thread: Universal ¼” (BSP and NPS)
Cup Capacity: 680 ml [24 oz] Acetal
Gun Weight: 514 g [18.13 oz]


Automotive refinishing, general purpose finishing, including basecoats and clearcoats

Service Manual/Parts Breakdown

Devilbiss FLG4 -Gravity Spray Gun manual (*.pdf, 329 KB)

Video: Demo and Review

thumbnail for Devilbiss FLG4 video


(not included)
Repair/Rebuild Kit:
Tip Seal Kit FLG-304-K5 (not included)
Parts and Rebuild Kit FLG4-488 (not included)

Disposable Cup Adapter:
3M PPS 2.0 #S15 – 26046 (not included)
Sata RPS #3 – 125252 (not included)
Devilbiss DeKups DPC-43 (not included)

FAQ – Frequently Asked Questions

  • What is the difference between FLG-4, FLG-670, FLG-671 and FLG-678?
    FLG-4 is the Finishline series
    FLG-670, FLG-671, FLG-678 are the different models/kits:
    FLG-670: Solvent-Based Kit (HVLP 1.3, 1.5, 1.8mm)
    FLG-671: Water-based Kit (HVLP 1.3, 1.5, 1.8mm)
    FLG-678: Primer Kit (HVLP 1.8 and 2.2mm)
  • What is the model code of the FLG-4 spray gun?
    FLG–HVG–315 is Gravity Feed – HVLP spray gun (nozzle: 1.5 mm)
    FLG-HVP-315 is Pressure Feed – HVLP spray gun (nozzle: 1.5 mm)
    FLG-CNS-115 is Siphon Feed – Conventional spray gun (nozzle 1.5 mm)
    FLG: Basis Model of spray gun
    HV, CN: HVLP or Conventional version
    G, P, S: Feed type (Gravity, Pressure, Suction)
    1, 3 : Air Cap (#1 or #2)
    15: Nozzle Size (15=1.5mm)
  • What nozzle sizes and air caps are available for Devilbiss FLG4?
    As an option, the Devilbiss FLG-4 is available in 1.3 mm, 1.5 mm, 1.8 mm or 2.2 mm with either HVLP or Conventional air cap. Both set-ups can be considered as general purpose spray guns for a wide range of refinish paints.
  • What is the difference between Devilbiss Finishline 3 (FLG-3) and Devilbiss Finishline 4 (FLG-4)?
    The Devilbiss Finishline 3 (FLG-3) is the predecessor model of Devilbiss Finishline 4 (or FLG-4) and was available in the nozzle sizes 1.3 (Basecoats, Clearcoats and other Light Viscosity Materials), 1.5 (Topcoats, Basecoats, Clearcoats, Sealers and other Light to Medium Viscosity Materials) and 1.8mm (Primers, Oil Base, Latex, and other Meduim to Heavy Viscosity Coatings). Design-wise it was basically the same gun, but the Devilbiss Finishline 4 has an updated air control valve on the trigger.

Additional information



Atomizing technology


Nozzle size