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Graco 114682 Spring Compression

Upgrade Your Graco 114682 Compression Spring for Superior Performance

The Graco 114682 Spring Compression upgrade enhances the longevity and efficiency of your fluid-handling system. Designed for professional operators, it seamlessly integrates with compatible pumps to deliver consistent stroke rates. By optimizing spring tension, this replacement part helps reduce pulsation and maintain spray uniformity in demanding environments. When paired with a high-performance airless sprayer, it ensures smooth paint flow and extends service intervals, making it essential for contractors focused on quality and uptime.

  • Durable spring mechanism reduces pulsation
  • Precision engineering for consistent stroke rates
  • Easy installation streamlines maintenance

Optimized for rigorous environments, this spring compression kit supports advanced paint management systems and enhances the performance of high-pressure filtration modules. Its robust construction resists corrosion and fatigue, making it ideal for continuous operation on textured surfaces and heavy-use applications. Compatible with top-tier pumps, it delivers stable fluid pressure for consistent coating thickness, crucial when applying professional coatings across expansive projects. Maintenance crews will appreciate the straightforward replacement process, reducing downtime and maximizing project throughput.

$10.42

Precision-Engineered Graco 114682 Spring Compression Assembly for High-Performance Pump Systems

The Graco 114682 spring compression component is an integral part of industrial pump assemblies, engineered to optimize dynamic load management and return force for piston-driven systems. Manufactured from high-strength stainless steel alloys, this compression spring withstands cyclical stresses and resists corrosion in demanding environments. In retrofit configurations, the assembly maintains precise preload settings essential for stable flow rates in both fluid and air circuits. Enhanced dimensional tolerances and proven fatigue life render it ideal for continuous-duty coatings operations.

  • High-purity 17-7 PH stainless steel construction for maximum tensile strength and corrosion resistance
  • Custom coil geometry providing a linear spring rate of 1.2 lb/in to 2.5 lb/in across extended deflection ranges
  • Optimized for compatibility with Graco 390, 395, and 490 series pressure pumps and manifold blocks

Installation of this spring compression kit requires minimal adjustment torque and aligns with OEM maintenance schedules. Operators report consistent stroke length control and reduced deadband hysteresis, resulting in improved volumetric displacement per cycle. The design also complements advanced sealing solutions to maximize seal longevity under high-cycle conditions without compromising pressure thresholds. Integrating this component with modern pulse-width modulation controls further refines flow stability.

Materials and Mechanical Properties

The choice of 17-7 PH stainless steel leverages precipitation hardening heat treatment for yield strengths up to 180 ksi and an elongation at break exceeding 8%. Each coil is cold wound to preserve surface finish uniformity, minimizing micro-crack initiation sites. The spring is shot-peened post-forming to induce compressive residual stresses, enhancing high-cycle fatigue life beyond 1×107 cycles. Tight tolerances of ±0.002 in. on wire diameter and coil spacing contribute to predictable force-displacement curves critical for precision metering pumps. Incorporating this component into an airless sprayer circuit underscores its use in fine atomization applications where pulsation control directly affects spray pattern consistency.

Performance Metrics and Testing Protocols

In bench testing under accelerated life conditions, the assembly demonstrated less than 1% spring rate drift after 500,000 compressive cycles at maximum design deflection. High-pressure filtration trials confirmed that flow interruptions remain below industry targets, with pressure recovery times under 120 ms. Leakage tests around mating surfaces at 3,000 psi external pressure showed no material distortion, ensuring pump efficiency and minimizing downtime. Calibration against reference load cells validated linear response up to 2.5 lbf/in with R2 values exceeding 0.995 in force-displacement curves. This level of consistency supports demanding professional coatings applications where uniform film thickness is mandatory.

Design Integration and System-Level Benefits

The spring compression unit integrates seamlessly into Graco’s modular valve block architecture, reducing assembly complexity and enabling swift field servicing. Its compact envelope footprint minimizes interference with adjacent manifolds, optimizing fluid manifold layouts in portable and skid-mounted spray systems. By fine-tuning preload settings, engineers can achieve improved pressure modulation, directly impacting volumetric accuracy and spray quality. This component’s resilience contributes to overall pump efficiency by lowering mechanical hysteresis losses and reducing drive motor load fluctuations during cyclical operation.

Usage Insights and Maintenance Guidelines

Regular inspection intervals of 1,000 operating hours are recommended, focusing on coil integrity and surface finish. Lubrication of mating surfaces with high-performance fluorocarbon grease prolongs seal longevity and prevents galling. When replacing the spring compression assembly, technicians should use a calibrated torque wrench for cap fasteners to ensure uniform preload. Cleaning protocols involve flushing with low-residue solvents followed by blow-down with dry compressed air to eliminate particulate contamination. These practices uphold fluid purity standards essential for precision dosing in automated spray booths and handheld systems.

Overall, the Graco 114682 spring compression assembly elevates system reliability and throughput by delivering robust mechanical performance in high-demand environments. Whether integrated into a new build or serving as an upgrade part, it exemplifies industrial-grade engineering focused on durability and precision.

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