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Graco 117321 Ceramic Ball, 1.00 in Diameter

The Graco 117321 Ceramic Ball ensures precise flow and long-lasting durability in airless sprayer systems. Ideal for professional coatings and high-wear applications.

  • High-quality ceramic for long life
  • 1.00 inch diameter for accurate fit
  • Compatible with Graco King, Mark V, Ultra Max II 495, ProX19, and Contractor Series pumps
  • Resistant to solvents, coatings, and abrasive materials

Retail Price: $167
You save: $17.37 (10.40%)
Our Price: $149.63
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High-Performance Ceramic Ball for Graco Systems

Upgrade your airless sprayer with the Graco 117321 Ceramic Ball, 1.00 Dia. Designed for durability and precision, it ensures consistent flow, reduced maintenance, and reliable performance.

Compatible Machines

  • Graco King Series
  • Graco Mark V
  • Graco Ultra Max II 495
  • Graco ProX19
  • Graco Contractor Series Pumps

Key Features

Diameter 1.00 inch
Material High-quality Ceramic (Al₂O₃, >99.6% purity)
Hardness 92+ Rockwell C
Chemical Resistance pH 1–14, compatible with solvents and polymer coatings
Surface Finish Polished Ra ≤0.10 µm for minimal buildup

Frequently Asked Questions

Install into pump manifolds with controlled torque: 15–18 in-lb for stainless steel seats or 10–12 in-lb for PTFE-lined housings. Ensure surfaces are clean and debris-free.

Inspect every 500 hours or after abrasive media exposure. Check for micro-chipping and debris in lubrication grooves. Clean with low-residue solvents.

Compatible with high-viscosity polymers, two-component UV-curable materials, fine-particle pigment dispersions, and aggressive solvent-based coatings.

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