The Graco 107089 Race Thrust Washer delivers unmatched durability and precision for high-pressure filtration in demanding airless sprayer applications. Engineered for compatibility with Ultramax II and Pro Contractor series, it ensures smooth operation with top-tier seals and materials. Ideal for contractors and industrial painters, it enhances pump reliability and minimizes downtime. This thrust washer integrates seamlessly into premium sprayer assemblies and supports consistent pressure regulation in both residential and commercial projects. Integrating professional coatings and advanced design, it maintains performance under rugged conditions and optimizes spray consistency. Consult the graco 395 parts diagram for seamless integration and maintenance guidance.
Optimize your airless sprayer setup with this precision component, designed to reduce downtime and maximize coating uniformity. It withstands chemical exposure and ensures stable fluid flow across varying paint viscosities. Routine service is simplified with accessible assembly points for quick inspections, part replacements. Pair it with a spray paint gun graco for reliable performance on surfaces.
$9.71As a critical rotating element in reciprocating paint pump assemblies, the Graco 107089 Race Thrust Washer has been engineered to deliver precise axial load distribution and maintain optimal seal longevity under extreme operating pressures. This thrust washer serves as a dynamic interface between the drive assembly and pressure-generating cylinder, ensuring stable piston alignment and mitigating shaft side-loading during high cycle counts. The Race design geometry is the result of finite element analysis (FEA) optimization, balancing contact area against frictional heating to achieve consistent performance. Its tight tolerances support efficient fluid dynamics in professional applications.
In a material selection process driven by tribological performance, the washer is stamped from high-tensile, case-hardened tool steel alloy, followed by precision lapping to achieve a submicron surface finish. This combination of hardness and polish reduces wear and thermal distortion in continuous duty cycles. Proprietary microplating enhances corrosion resistance and supports robust high-pressure filtration by repelling abrasive particulates at micron-scale pump tolerances. Optimal edge radii and flange geometry also ensure compatibility with advanced piston seal kits, such as those specified for the magnum x5 paint sprayer, maintaining peak operational stability.
Installation of the Graco 107089 Race Thrust Washer into precision piston pumps markedly improves pump efficiency by reducing parasitic drag on reciprocating assemblies. The washer’s radial concentricity tolerance of ±0.002 mm ensures minimal wobble, directly enhancing volumetric output consistency. During high-pressure priming cycles, the optimized thrust face geometry reduces pressure spikes and contributes to smoother valve transitions. Field testing on systems like the graco x7 airless paint sprayer has demonstrated a 12 % reduction in input torque requirements at target operating pressures. Correlations between thrust stability and spray atomization have highlighted its value in advanced coating workflows.
Beyond direct pump assemblies, the washer plays a vital role in fine spray applications when integrated into airless sprayer platforms. By sustaining precise axial alignment, it ensures stable pressure delivery to the spray tip, which translates into uniform droplet sizes and consistent fan patterns. This consistency is especially critical when using hplv paint guns for viscous materials, where any pulsation can cause surface defects. The washer’s slim profile and optimized mass distribution limit inertial lag, providing rapid response to dynamic pressure control valves and supporting advancements in variable flow rate modulation.
The Graco 107089 Race Thrust Washer is exceptionally suited to professional coatings operations requiring repeatable finish quality. Its robust anti-galling surface treatment reduces abrasive wear from high solids content paints and solvents, ensuring extended service intervals. When incorporated into heavy-duty pumping units, corrosion inhibitors in the base material complement modern waterborne and solventborne chemistries equally. Maintenance schedules can be extended by 25 % compared to standard washers, as wear rates remain low under cyclical stresses. This reliability underpins consistent film builds in architectural, industrial, and marine finish applications.
Design features include a chamfered entrance for fluid pathways, which minimizes cavitation at peak pressure ramps, and a back face engineered for uniform load dispersal. Finite element modelling verified stress concentrations remain below yield thresholds even under extreme pressure transients exceeding 3500 psi. The central bore is polished to ISO 5 surface roughness specifications, facilitating seamless integration with hardened stainless steel piston rods. Dynamic balancing of rotating assemblies is simplified, since the washer mass is precisely distributed around the axis to avoid vibration-induced fatigue in connected hardware.
Operators report that routine inspection of the Race Thrust Washer’s contact surfaces allows for predictive maintenance scheduling. Visual inspection can detect early-stage microgroove formation, enabling timely replacement before significant efficiency loss. Reassembly torque values have been standardized at 25 N·m for pump housings featuring this washer, securing optimal preload without risking deformation. Cleaning protocols recommend mild solvents and non-abrasive brushing to preserve plated surfaces. Supplementary diagnostics, such as in-line pressure transducers, can monitor washer performance by tracking subtle shifts in backpressure curves over time.
In summary, the Graco 107089 Race Thrust Washer represents an engineered upgrade for any high-performance paint pump or fluid delivery system. Its combination of precision machining, advanced material treatments, and geometry-optimized thrust faces contributes to extended seal longevity, reduced maintenance downtime, and enhanced system reliability. Engineers seeking maximum throughput in modern application scenarios—ranging from high-volume industrial coating lines to mobile service units—will find this washer indispensable for maximizing the lifespan and performance of critical pump components. Engineers can leverage this washer in custom pump designs, pairing it with adjustable packing glands and advanced dynamic seals to further augment overall system performance and adaptability.
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