GX-7 Mechanical Purge Spray Gun


Graco GX-7 Spray Gun

recommended for spraying roofing foam only
The Gusmer GX-7 plural component spray gun is recommended for spraying roofing foam only and is a mechanically self-cleaning spray gun which eliminates costly solvent flushing. The Graco GX-7 spray gun is one of industries choice guns when it comes to applying two-component foam systems. Excellent for spraying polyurethane roofing foam the Graco/Gusmer GX-7 foam gun is world renowned and proven itself with many foam companies over the years.

After the acquisition of Gusmer by Graco the GX-7, GX-7-400, and GX-7 DI have all been put into one manual.

GX-7 Spray Gun Features and Benefits
  • Graco GX-7, GX-7-DI and GX-7-400 mechanical-purge spray guns are known for their dependable performance and reliability
  • Great mixing and pattern control with its unique internal impingement mixing design
  • Designed to handle the toughest job-site conditions
  • Solvent Free: Graco GX-7 features a mechanically self-cleaning valveing rod assembly that purges all mixed material from the mixing module at the end of each shot, eliminating costly and environmentally harmful, solvent flushing procedures.
  • Mixing Module: Internal impingement mixing module that is precision manufactured for prolonged service life. Several different styles are available which, when used in combination with a pattern control disc, provide optimum mixing and pattern development.
  • Pattern Control Disc: Interchangable module and disc combinations permit various outputs in round or fan spray and pour patterns to provide more efficient mixing and pattern development.
  • Air Cap Control: Helps prevent material build-up on pattern control disc.GX-7 Gun PartsGraco GX-7
  • Air Control: Provides precise regulation of air supply to air cap.
  • Valving Rod Forward Stop: Permits forward positioning of the Valving Rod to maximize the mechanical self-cleaning process.
  • Filters: Screw-in design incorporates metal-to-gasket sealing surface plus internal check valves. The filters are available in several different mesh sizes and can be easily be removed, cleaned, and serviced.
GX-7 Spray Gun Quality Features
  • Industry-proven mix and atomization technology
  • Adjustable air cap cleaning allows you to spray longer
  • Easy to clean A and B material filter reduce downtime
Key Applications
  • Roofing, concrete and residential insulation
  • Tank and pipe foam insulation
  • Water and waste-water treatment
Key Materials
  • Polyurethane Foam


Graco GX-7 Spray Gun