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Dependability meets performance in the GX-7 and GX-8 spray-foam guns. Graco has cemented its reputation as the leading manufacturer of high-quality spray-foam guns. At SPF Depot, we carry an extensive selection of Graco replacement parts, including parts for the GX-7 and GX-8 models. Take a look at our full inventory of factory OEM and aftermarket parts for repairing your spray-foam gun.
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About GX-7 and GX-8 Spray Guns
While both Graco models offer unbeatable spray-foam gun technology, the GX-7 and GX-8 have unique features, making them ideal for different situations. One of the biggest differences is that the GX-8 model is for low-output applications and aims to reduce overspray, leading to a more contained consumption of materials. The GX-7 comes in three different models to better fit your specific job needs.
Graco GX-7 Spray-Foam Gun Features
- Performs in challenging conditions
- Best for applying two-component foam systems
- Superior pattern control
- Ideal for working with polyurethane foam and elastomeric coatings
- Applications: Residential (roofing, concrete and insulation), tank and pipe coatings, water and waste-water treatment
- Internal impingement design leads to optimal mixing and pattern control
- Increased spray time due to adjustable air-cap cleaning
- A and B filters are easy to clean for less downtime between applications
- Mechanically self-cleaning so no need for expensive or harmful solvent-flushing
- Interchangeable pattern control disc allows for round or fan spray and different pour patterns
Graco GX-8 Spray-Foam Gun Features
- Designed for low-output, fast-set polyurea, polyurethane and hybrid coatings application
- Direct impingement mixing leads to high yield and a superior surface finish
- Gun's tip stays cleaner longer due to an optimized air-volume-to-air-cap ratio
- Solvent-free, mechanically self-cleaning
- Enjoy optimized material consumption by reducing overspray associated with low-output spraying
| Model |
GX-7 |
| 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) |
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GX-7 DI Model: 22 lbs/min (10 kg/min) |
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GX-7 400 Model: 8 lbs/min (3.6 kg/min) |
| Minimum Ouput* |
GX-7A Model: 4 lbs/min (1.8 kg/min) |
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GX-7 DI Model: 4 lbs/min (1.8 kg/min) |
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GX-7 400 Model: 3.5 lbs/min (1.6 kg/min) |
| 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 |
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GX-7 DI Model: Internal direct impingement, airless atomization, solvent-free, mechanically self cleaning |
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GX-7 400 Model: Internal direct impingement, airless atomization, solvent-free, mechanically self cleaning |
| *Theoretical: actual results will vary with operating conditions |
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| Model |
GX-8 |
| Air Inlet Size (in) |
1/4 |
| Air Inlet Thread Type |
NPT |
| Compatible Material |
Plural Component Protective Coating, Polyurea, Elastomeric Coating, Polyurethane Coating |
| Component A Inlet Size (in) |
1/2-20 |
| Component A Inlet Thread Type |
UNF |
| Component B Inlet Size (in) |
9/16 |
| Component B Inlet Thread Type |
UNF |
| Gun Activation |
Manual |
| Gun Type |
Mechanical-Purge |
| Gun Weight (lb) |
3.5 |
| Gun Weight (oz) |
56 |
| Maximum Air Inlet Pressure (MPa) |
0.86 |
| Maximum Air Inlet Pressure (psi) |
125 |
| Maximum Air Pressure (MPa) |
0.86 |
| Maximum Air Pressure (psi) |
125 |
| Maximum Flow Rate (lb/min) |
1.5 |
| Maximum Fluid Pressure (MPa) |
24.1 |
| Maximum Fluid Pressure (psi) |
3500 |
| Minimum Air Inlet Pressure (MPa) |
0.69 |
| Minimum Air Inlet Pressure (psi) |
100 |
| Minimum Flow Rate (lb/min) |
1 |
| Overall Height (in.) |
7.5 |
| Overall Length (in.) |
7 |
| Overall Width (in.) |
2.5 |
| Pattern Size (in.) |
6 in at 18-24 in from target |
| Pressure Type |
High |
| Purge Method |
Mechanical |
| Spray Gun Mix Type |
Impingement |
| Wetted Parts |
Stainless Steel, Carbon Steel, HDPE, Acetal |
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