Description
The GRACO G03W04 is a wall-mounted, air-powered spray package designed for low-pressure finishing applications. It features a 3:1 ratio pump, 125cc displacement, and is constructed with durable materials such as stainless steel, tungsten carbide, and advanced polymers. The package is intended for use in industrial finishing environments, providing consistent, high-quality spray results with reduced user fatigue and easy maintenance.
Key Features:
- Air Spray Package
- 3:1 Merkur, 125cc
- Stainless steel, tungsten carbide, UHMWPE, PTFE, PEEK, FEP, Acetal, Nylon, Polyethylene
- Maximum flow rate: 7.5 L/min (for similar Merkur models)
- Maximum air pressure: 100 psi (6.9 bar, 690 kPa); Maximum working pressure: 120 psi (8.3 bar, 0.8 MPa)
- Designed for use with GRACO AirPro HVLP guns and compatible with DataTrak monitoring systems
- Easy-to-flush design for fast color changes and reduced solvent usage
- Self-adjusting, spring-loaded piston packings for long packing life
- Throat Seal Liquid (TSL) level indicator for easy monitoring
- Throat seal and rod enclosure protect from contamination
- Quick removal coupler for easy disassembly and maintenance
- Smooth, rapid changeover for consistent finish and less user fatigue
- 360 inlet fitting for easy access to pail from any location
- Chromex ceramic coating on piston and displacement rod for long life with abrasive materials
Applications:
Industrial finishing, painting, and coating applications where consistent, high-quality finishes are required. Suitable for environments needing rapid color change and easy maintenance.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
- Mount the package securely on a wall or suitable structure
- Connect air supply and fluid lines according to manufacturer instructions
- Ensure all connections are tight and leak-free
- Use recommended hoses and fittings for best results
- Regularly check and maintain throat seal liquid levels
- Follow recommended maintenance schedules for pump and gun components
- Perform regular inspections for wear and contamination
- Flush system thoroughly during color changes
- Use only compatible fluids and solvents
- Keep spare parts and filters on hand for quick replacement






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