Graco 15A730 Packing Spacer
The Graco 15A730 Packing Spacer is a precision component used in Graco piston-pump assemblies to maintain optimal packing compression and alignment. It ensures that the packing elements are properly spaced, contributing to reliable sealing, long life, and consistent performance.
Key Features & Benefits
- Precise spacing: Guarantees uniform compression of packing rings and seals.
- Durable construction: Manufactured from high-strength stainless or alloy steel for long-term reliability.
- OEM-grade fit: Designed specifically for Graco pump assemblies, ensuring correct alignment and compatibility.
- Improves seal performance: Helps reduce leak risk and wear by maintaining proper packing geometry.
- Service-friendly: Easy to install or replace during maintenance and rebuilds.
Applications
- Used inside Graco piston-pump cylinders in packing assemblies.
- Maintains optimal compression for packing seals in high-pressure sprayers.
- Works in conjunction with packing nuts, glands, and seal rings in Graco repair kits.
- Helps preserve pump efficiency and longevity by stabilizing the packing stack.
Installation & Maintenance Guidelines
- Depressurize system: Always release all pressure before disassembling packing components.
- Clean the housing: Remove old packing rings, debris, or residue to allow accurate spacer seating.
- Inspect the spacer: Check for corrosion, scratches, or deformation before reuse.
- Stack correctly: Install the spacer between packing rings per the recommended sequence from Graco.
- Perform a leak test: After reassembly, slowly pressurize the system and verify there are no leaks.
Technical Specifications
| Part Number | 15A730 |
| Type | Packing Spacer |
| Material | Stainless Steel (or high-strength alloy) |
| Function | Maintains spacing and alignment between packing rings |
| Dimensions | Approximately 1.2 in × 1.2 in × 1.2 in (cube) |
| Weight | ~0.02 lbs |
| Compatibility | Graco piston-pump packing assemblies (refer to parts diagram) |
Frequently Asked Questions
It keeps proper spacing between packing rings or seal elements inside the pump, ensuring consistent compression and reducing leakage risks.
After depressurizing, remove the old packing rings, clean the bore, insert the spacer according to the packing stack order, then reassemble the rest of the packing.
Yes, as long as it shows no signs of wear, corrosion, or deformation. If damaged, replace it to preserve the seal integrity of the packing assembly.
