The Graco 122347 ring is engineered to boost performance in high-demand airless sprayer systems, offering reliable high-pressure filtration and lasting durability for professional coatings projects. Crafted from corrosion-resistant stainless steel, its precision-machined profile secures critical components and prevents loosening under variable pressure. Easy installation and robust construction reduce service interruptions and ensure optimal output during continuous operation. Optimized for quick replacement during routine service checks, it streamlines maintenance schedules and enhances overall equipment reliability.
Maintenance professionals trust the External Retaining Ring to maintain peak functionality in diverse fluid handling applications. It seamlessly integrates into high-output sprayer assemblies, safeguarding internal mechanisms and preserving spray patterns across extended duty cycles. By reducing the risk of component failure and minimizing maintenance downtime, it supports efficient workflows and prolongs equipment lifespan, making it the go-to solution for rigorous industrial or commercial coating projects.
$6.3The Graco 122347 External Retaining Ring serves as a critical component in demanding fluid handling assemblies, offering precise axial positioning and enhanced seal longevity. Engineered for integration within airless sprayer pump blocks and high-pressure filtration modules, this retaining ring ensures consistent pump efficiency under extreme operating conditions. Its robust design accommodates shear forces generated by professional coatings formulations, providing reliable shaft retention without inducing leakage or slippage.
Material selection for the 122347 External Retaining Ring centers on high-carbon stainless steel, heat-treated to achieve a tensile strength exceeding 850 MPa. This metallurgical treatment optimizes hardness and fatigue resistance, making it ideal for cyclic loading applications common in high-pressure pump systems. The external ring’s mirror-like finish reduces friction during installation and removal, minimizing wear on mating shoulders and improving maintenance cycles. Applications extend beyond spray equipment, encompassing hydraulic manifolds and rotary couplings that demand precise axial constraints and extended service life.
The retaining ring features a chamfered inner edge that facilitates easy engagement onto grooved shafts, reducing radial stress concentrations and ensuring a secure snap fit. Dimensional tolerances are held within ±0.02 mm based on ISO 286-2, guaranteeing repeatable fit in automated assembly lines. Finite element analysis during the design phase validated stress distribution under static and dynamic loads, confirming that maximum von Mises stresses remain below the material’s yield threshold at operating pressures up to 3000 psi. The cross-sectional thickness of 1.5 mm balances structural integrity with minimal footprint, preserving port size and flow characteristics in compact pump housings.
In high-pressure airless sprayer mechanisms, the Graco 122347 ring operates in tandem with piston pumps to maintain axial alignment of drive shafts and sealing cups. This alignment is vital for uniform delivery of viscous coatings, eliminating pulsation and ensuring smooth spray patterns. When paired with advanced seal materials—such as PTFE-filled also known as polytetrafluoroethylene—the ring helps sustain a zero-leakage environment under cyclical pressure spikes. Its reliable restraint capability reduces the risk of seal extrusion, contributing to predictable maintenance intervals and reduced downtime for professional coatings contractors.
Optimizing performance in demanding environments also involves compatibility testing with abrasive media, including metallic powders and pigment-laden fluids. Surface finish and hardness values of the retaining ring mitigate galling and surface fatigue, critical for systems exposed to particle-laden fluids. By preserving component integrity, the ring extends the service life of both stationary seats and dynamic o-rings, maintaining pump efficiency and reducing total cost of ownership over extended operational cycles.
Installation of the 122347 External Retaining Ring requires specialized circlip pliers or pneumatic installation tools to ensure uniform expansion and accurate seating within the groove. Technicians should verify groove width and ring free diameter prior to assembly, confirming that the ring’s locking mechanism fully engages without excessive preload. During routine maintenance, visual inspection under magnification reveals any deformation or crack initiation sites, indicators for timely replacement. Lubrication with compatible anti-seize compounds can further ease removal and prevent cold welding in stainless components.
Maintenance schedules often align with filter cartridge changes in high-pressure filtration systems, where ring integrity is verified alongside seal and diaphragm checks. By incorporating the retaining ring into a predictive maintenance program, operations managers can monitor cumulative cycle counts, ensuring replacement occurs before fatigue limits are approached. This proactive strategy helps avoid unplanned stoppages in critical production lines that rely on uninterrupted fluid dispensing and precise coating applications.
Beyond the standard configuration, the Graco 122347 ring can be tailored with surface coatings such as electroless nickel or passivation layers to meet specific chemical compatibility requirements. For applications involving corrosive solvents or aggressive cleaning agents, these surface treatments enhance corrosion resistance and preserve seal surfaces. Custom heat treatments can also be specified to adjust ring hardness between 40 and 50 HRC, matching hardness characteristics of existing assemblies and preventing premature wear when interfaced with softer mating parts.
Whether deployed in industrial spray equipment, hydraulic power units, or laboratory-scale reactors, the Graco 122347 external retaining ring delivers proven axial retention and unparalleled durability. Its precise geometry, rigorous manufacturing tolerances, and material attributes support peak performance in professional coating operations and high-pressure fluid delivery applications, ensuring system reliability and long-term operational excellence.
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