The best spray guns in the world: SATAjet 4000 vs. Sagola 4500 vs. Devilbiss GTi-PRO


SATAjet 4000 B, Sagola 4500 Xtreme and Devilbiss GTi-PRO in comparison

Whether used for base coat or clear coat, the SATAjet 4000 B, Sagola 4500 Extreme and Devilbiss GTi-PRO are the leading and most popular spray guns for automotive refinishing. With this article we would like to provide an overview and information for these guns. It is NOT intended to elect or award the “Best Spray Gun for Automotive Refinishing”, but to provide technical information for comparison.


Sata: SATAjet 4000 B RP/HVLP (digital)
Sagola: Sagola 4500 Xtreme (digital)
Devilbiss: GTi-PRO (digital)


Atomization Technique:


Nozzle Sizes (available):

HVLP: 1.1, 1.2, 1.3, 1.4, 1.5, 1.7, 1.9, 2.2mm
RP: 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 1.8, 2.0, 2.5mm
1.2, 1.3, 1.4, 1.6mm
1.2, 1.3, 1.4mm

Air Caps (& Consumption @ 2bar):

(285 lpm)
LXT 01 (255 lpm)
LXT AQUA (280 lpm)
LXT HVLP (400 lpm)
LXT CLEAR (330 lpm)
H1 (450 lpm)
T1 (285 lpm)
T2 (350 lpm)

Body Material:

Sata: drop-forged aluminum, chromed
Sagola: forged aluminum, anodized
Devilbiss: forged aluminum, anodized

Cup Capacity:

Sata: 600ml
Sagola: 650ml
Devilbiss: 560ml

Weight (with cup):

Sata: 634g
Sagola: 695g
Devilbiss: 768g

Air Pressure Gauge Precision:

Sata: ± 0,05 bar (digital)
Sagola: ± 0.2bar (digital)
Devilbiss: ±0.1% (digital, “separate device” DGI-501)


– Air cap quick change system, removal of air cap with one turn only
– Cup quick connector: bayonet cup connection ensures quick cup removal for easy cleaning
– Spray pattern control: one quarter turn only required from open to closed
–  Service Manual (pdf download, source: Sata)
– website:

– “gasket-free”: there are no gaskets (interior or exterior) at the closures between air and fluid
– Single piece packing gland: design avoids early breakage of gland, easier cleaning
– Service manual (pdf download, source: Sagola)
– website:

– Easy front end access: by removing the air separator and seal
– Air cap retaining ring:  thrust washer allows the air cap to be rotated and locked easily
– Trigger control: Special spool design of the air valve eliminates the “kick” the operator used to get a traditional spray gun triggered, smoother triggering
– Service Manual (pdf download, source: Devilbiss)
– website:

Where to buy?
(external links)


(Exclusion of liability: technical data may change, we are not responsible for the completeness or correctness of the provided data)

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