Graco 111559 Retaining Ring

Graco 111559 Retaining Ring – Precision Support for Pump Assemblies

Compatible Machines

• Graco High-Pressure Airless Sprayer Pump Heads
• Graco Commercial Airless Sprayers
• Graco Piston Pump Assemblies
• Graco Diaphragm Pump Assemblies
• Other Graco spray systems requiring internal retaining ring support

Product Overview

The Graco 111559 Retaining Ring is an essential component for securing internal components in high-pressure pump assemblies. Engineered from stainless steel, it ensures stable piston alignment, prevents axial displacement, and maintains consistent spray performance in professional coatings applications.

Key Features

• High-grade stainless steel construction with corrosion-resistant finish
• Precision CNC-machined with tight dimensional tolerances
• Maintains alignment of pump shafts and pistons under high pressure
• Supports consistent spray tip flow and uniform finish quality
• Quick-snap installation for easy replacement and maintenance

Technical Specifications

Installation & Maintenance

Install the 111559 Retaining Ring with a controlled-velocity press tool to avoid deformation. Keep the housing clean, lubricate lightly, and inspect shaft and wear sleeves. Routine service intervals align with pump rebuild schedules (500–1000 operating hours).

Frequently Asked Questions

Conclusion

The Graco 111559 Retaining Ring is a precision-engineered component essential for high-pressure pump stability, consistent spray performance, and extended service life in Graco airless sprayers.