Introducing the Graco 119260 ceramic ball, an OEM replacement engineered for performance in demanding spray equipment applications. Fitting a 0.500 inch diameter valve assembly, it ensures consistent flow and excels in effective high-pressure filtration for extended component life. Engineered to Graco OEM specifications for corrosion resistance. Perfect for professionals seeking precise operation under harsh conditions, this component maintains compatibility with various sprayer models and fluid viscosities. Trust in its ability to support your airless sprayer for smooth, reliable operation with reduced downtime.
Designed to handle abrasive fluids, offers durability, precision fit, reduces wear. Suitable for maintenance of pumps and valves, enhances spraying quality for architectural and industrial applications. Optimized for durability, meets exacting tolerances to prevent leaks and maintain consistent pressure. Ideal for a range of coatings and solvents, it supports smooth atomization. Trust Graco's expertise to deliver quality parts that ensure superior results across complex surface coatings for professional coatings projects.
$23.75The Graco 119260 Ceramic Ball is a critical component in advanced fluid delivery assemblies, engineered for high durability and consistent performance. This spherical valve element serves as an integral part in airless sprayer manifolds and cartridge valves, enabling precise control of fluid flow under extreme conditions. Manufactured to exacting tolerances of ±2 microns on the sphericity, the .500 inch diameter ball exhibits minimal surface roughness due to proprietary polishing processes. By incorporating advanced ceramic substrates, the 119260 Ball delivers robust resistance against wear, corrosion, and thermal degradation while maintaining stable operation in dynamic pressure environments. Its hemispherical profile and matched seat curvature contribute to stable sealing characteristics across broad temperature and pressure ranges, facilitating high fidelity control in finishing lines.
As the pivot point within high-pressure valve seats, the ball element influences overall pump efficiency through minimal hydraulic resistance. Its low coefficient of friction minimizes torque requirements, reducing motor torque demand and energy consumption. The ceramic composition, typically zirconia-based or alumina-enriched, ensures exceptional hardness values exceeding 1200 HV0.2, surpassing conventional steel counterparts. Surface treatments like diamond paste buffing yield Ra values less than 0.025 μm, enhancing sealing integrity and mitigating leak paths, even during rapid pressure cycling indicative of airless sprayer operation. The element also exhibits low hysteresis during rapid cycling, preserving consistent responsiveness in automated spray systems.
In industrial finishing and spray painting assembly lines, the 119260 unit finds wide application within pump check valves, pressure regulators, and flow diverters. Typical applications include handling high-viscosity epoxy, urethane, and polyaspartic formulations without compromising throughput or finish uniformity. Its precise dimension control at .500 ±0.001 inch diameter allows repeatable alignment with seat bosses in high-pressure filtration modules. Reliability under abrasive pigment-laden fluids is assured by the ceramic’s chemical inertness and high modulus of elasticity, which prevent geometric distortion under dynamic loads. The component’s interplay with O-ring or lip seal arrangements boosts service intervals and reduces maintenance downtime for end-users.
Manufactured from high-purity fused ceramic powders, each ball undergoes cold isostatic pressing and sintering cycles to achieve dense microstructures free of porosity. Secondary processes include CNC-assisted grinding followed by multi-stage lapping to attain ideal sphericity. Quality control employs optical interferometry and CMM inspection to verify concentric runout below 5 μm. The inherent hardness of alumina ceramics enhances abrasion resistance when handling fine particulates, while stable thermal expansion coefficients minimize stress concentrations in mixed-material assemblies, contributing to long-term system integrity. Chemical resistance to solvents such as MEK and toluene ensures consistent performance in harsh industrial environments.
Testing protocols encompass cyclic pressure endurance tests, with the ball enduring millions of open-close cycles at up to 3000 psi and 66 °C operating temperatures without measurable wear. Hydrostatic leakage assessments confirm compliance to ANSI/FCI class 5 standards for fluid containment. Flow coefficient (Cv) evaluations showcase minimal impact, with Cv values exceeding 0.95 relative to a smooth-bore reference, supporting consistent output in airless sprayer equipment. These metrics underscore the ball’s role in maintaining stable fluid metering during high-pressure filtration routines. Predictive wear modeling predicts operational lifetimes exceeding 500 million cycles under standardized conditions.
Dimensionally specified at 0.500 inch diameter, 0.550 inch overall height, and 0.600 inch length envelope, the Graco 119260 ball simplifies retrofitting in existing pump stators. The precision ground surface interfaces seamlessly with standard valve bodies, requiring no special housing modifications. Technicians can perform quick-change replacements by removing retaining clips and extracting the seat cartridge, enabling minimal system downtime. Lubrication guidelines recommend applying thin-film lubricant rated for FKM seals to maintain optimal breakaway torque and reduce start-up loading. End-of-life schedules and recommended inspection intervals support predictive maintenance frameworks in continuous-production facilities.
Operational insights from field engineers highlight the ceramic ball’s significant contribution to extending seal longevity under chemically aggressive coatings. By maintaining rotation freedom within the seating chamber, the ball mitigates abrasive scoring and distributive wear across seal faces. When paired with high-performance pump modules, the 119260 lowers pulsation amplitude, fostering smoother surface finishes. Integration with pressure control loops and pump efficiency monitoring systems allows real-time diagnostics, ensuring predictive maintenance and process optimization in critical coating applications. Its compatibility with a variety of professional coatings and solvents makes it a versatile choice for OEMs and end-users alike.
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