Graco 15A173 Spring Cap

Graco 15A173 Spring Cap – In‑Depth Overview

The Graco 15A173 Spring Cap is a genuine OEM replacement part designed to securely maintain the spring mechanism integrity within Graco fluid‑control systems. This cap safeguards the spring assembly from debris, ensures correct preload, and contributes to reliable operation under frequent cycling and high‑pressure conditions.

Compatible Applications

• Graco regulator modules and pump assemblies that specify part number 15A173
• Fluid handling systems where spring‑loaded components require protection and consistent compression
• Industrial spray, coating, adhesive, and dispensing systems with high duty‑cycle spring mechanisms

Key Features & Benefits

• Precise OEM Fit: Engineered to the exact dimensions and mounting details specified by Graco for direct interchange.
• Durable Construction: Manufactured from robust materials to resist wear, corrosion, and pressure‑cycle fatigue.
• Spring Preload Stability: Helps maintain consistent spring compression and alignment to ensure accurate system response.
• Contaminant Protection: Shields the spring assembly from ingress of debris or foreign matter that could impair performance.
• Reduced Downtime: Simplifies replacement during maintenance intervals, helping maintain equipment uptime.

Technical Specifications

Installation & Maintenance Tips

• Always depressurize and isolate the system before removing or installing the cap.
• Ensure the spring and surrounding assembly are clean and free from debris or corrosion.
• Verify the spring is correctly seated and aligned prior to installing the cap.
• Fasten the cap to the correct torque specification to maintain spring preload and avoid loosening under cyclic load.
• During routine maintenance, inspect the cap and spring mechanism for signs of wear, distortion or misalignment and replace if any irregularities are found.

Frequently Asked Questions