Graco Inc.

GX7-400 and GX7-DI  Plural-Component Mechanical-Purge Guns

For low- to medium-volume polyurea applications

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The GX7-400 Gun is the same as a standard GX-7, but features a shorter stroke length. This is important for fast-setting polyureas because the material spends less time in the gun.

The GX7-DI Gun features direct impingement mixing, which provides a superior surface finish for polyurea applications. Its spray tip and gun block feature a non-stick coating for easy maintenance.

GX7-400
  • Mechanically self-cleaning eliminates costly solvent flushing
  • Screw-in filter design is easy to remove, clean and service
  • Rebuild kit available for air cylinder and trigger valve
  • Quick-connect coupling block allows fast, clean removal of the gun without any chemical spillage.

GX-7A, GX-7 DI, and GX-7 400 Spray Guns
Air Supply
100-125 psi
0.7-0.9 MPa, 6.9-8.6 bar
Maximum Operating Pressure
3500 psi
24 MPa, 240 bar
Maximum Output ❄
GX-7A Model
40 lbs/min
18 kg/min
GX-7 DI Model
22 lbs/min
10 kg/min
GX-7 400 Model
8 lbs/min
3.6 kg/min
Minimum Output ❄
GX-7A Model
4 lbs/min
1.8 kg/min
GX-7 DI
4 lbs/min
1.8 kg/min
GX-7 400
3.5 lbs/min
1.6 kg/min
Dimensions
Height
9 in.
23 cm
Length
9.5 in.
24 cm
Width
4.5 in.
11 cm
Weight
3.5 lbs.
1.5 kg
Mixing
GX-7A Model
Internal impingement, airless atomization, solvent-free, mechanically self cleaning
Internal impingement, airless atomization, solvent-free, mechanically self cleaning
GX-7 DI Model
Internal direct impingement, airless atomization, solvent-free, mechanically self cleaning
Internal direct impingement, airless atomization, solvent-free, mechanically self cleaning
GX-7 400 Model
Internal direct impingement, airless atomization, solvent-free, mechanically self cleaning
Internal direct impingement, airless atomization, solvent-free, mechanically self cleaning
❄ Theoretical: actual results will vary with operating conditions