Adjust Pressure Control; Tip And Pressure Selection - Graco GX series Operation, Parts

Adjust Pressure Control

The pressure control knob allows for infinite pressure adjustment. To reduce overspray, always
start at the lowest pressure setting and increase pressure to the minimum setting that results
in an acceptable spray pattern.
3000 psi
(207 bar, 20.7 MPa)
To select function, align symbol on pressure control knob with setting indicator on
sprayer.

Tip and Pressure Selection

See table for recommended spray pressure for your material. Refer to paint (material)
can for manufacturer's recommendations.
Maximum tip hole sizes supported by the sprayer:
– GXFF, GX19, FinishPro GX19: 0.019 in. (0.48 mm)
– GX21: 0.021 in. (0.53 mm)
Spray Pressure
Setting
Tip Hole Size
0.011 in. (0.28 mm)
0.013 in. (0.33 mm)
0.015 in. (0.38 mm)
0.017 in. (0.43 mm)
0.019 in. (0.48 mm)
0.021 in. (0.53 mm)
Fine Finish Tips
Fine Finish tips have an additional orifice that provides a finer atomization of the material.
Size
Spray Pressure
Setting
0.008 in. (0.20 mm)
0.010 in. (0.25 mm)
0.012 in. (0.31 mm)
0.014 in. (0.36 mm)
0.016 in. (0.41 mm)
3A3212C
1500 psi
(103 bar, 10.3 MPa)
Stains Enamels
Low
Low Spray High Spray
Spray

 

Polyurethane Lacquer
Low Spray Low Spray Low Spray High Spray


500 psi
(34.5 bar, 3.5 MPa)
Coatings
Primers Interior Paints Exterior Paints
High Spray



Coatings
Sanding
Sealer
 
 
How to Spray
High Spray

 
 


Enamels Latex
High Spray

ti5597b


19