Engineered for demanding coating applications, the Graco 114708 Compression Spring delivers consistent tension and reliable operation within airless sprayer assemblies. Designed to support precise trigger response and maintain stable pressure, this OEM replacement enhances the performance of sprayers handling professional coatings. Crafted from high-strength alloy steel, it withstands corrosive environments and repeated compressions for extended service life. Whether used in high-volume projects or fine-detail work, it ensures smooth fluid flow and exceptional durability under rigorous use.
Ideal for regular maintenance and system rebuilds, the Compression Spring integrates seamlessly with filters and seals to optimize high-pressure filtration. Its robust design minimizes downtime and helps maintain peak efficiency across a wide range of coating viscosities, making it a vital component for contractors and professionals. Its rapid-response performance supports precise coating patterns, reducing overspray and ensuring uniform coverage. Installation is straightforward and compatible with a variety of Graco pump models.
$6.3The Graco 114708 Compression Spring is an engineered component optimized for high-precision fluid handling assemblies. Crafted from oil-tempered chrome silicon alloy, this spring delivers consistent resilience across extended service intervals. Its tightly controlled coil geometry supports a nominal spring constant, ensuring repeatable deflection characteristics under dynamic loading. In airless sprayer modules, the 114708 spring maintains stable pressure distribution, preventing erratic piston motion. Its inherently low hysteresis profile contributes to smooth valve cycling and improved control accuracy, critical for professional fluid delivery platforms.
The precision manufacturing process for the 114708 spring involves CNC-controlled coiling and stress-relieving operations, followed by shot-peening to enhance surface integrity. This sequence promotes a uniform microstructure that mitigates crack initiation and propagation. The part’s consistent spring constant overshoots typical OEM tolerances by ±2%, ensuring interchangeability across pump assemblies. Engineers appreciate the spring rate uniformity, which directly correlates with predictable force-displacement behavior and system stability in high-pressure fluid circuits.
Corrosion resistance is a paramount consideration in abrasive or chemically aggressive environments. The chrome silicon composition coupled with a proprietary passivation finish endows the 114708 spring with exceptional resistance against oxidation and pitting. This extends maintenance intervals, even when deployed alongside high-pressure filtration elements in paint circulation loops. Additionally, the smooth surface finish reduces frictional wear against guides and seats, preserving dimensional integrity and contributing to longer service life in demanding industrial applications.
Within Graco’s prime valves and piston pump assemblies, the 114708 Compression Spring serves a dual function: maintaining preload on sealing surfaces and absorbing shock loads during rapid reciprocation. Its mechanical compatibility enhances overall pump efficiency, minimizing energy losses due to spring hysteresis. The optimized coil design also reduces mass inertia, allowing quicker response times during dynamic pressure fluctuations. Integration tests demonstrate improved volumetric efficiency and reduced pulsation amplitude, key performance metrics for high-flow-rate coating delivery systems.
Maintenance protocols for the 114708 spring are straightforward, thanks to the part’s dimensional stability and minimal relaxation over prolonged strain cycles. Regular inspection focuses on ensuring consistent coil spacing and verifying the absence of surface blemishes. When combined with enhanced sealing materials, this spring architecture supports exceptional seal longevity, reducing unplanned downtime. Technicians can easily replace the spring in modular valve bodies without specialized tooling, streamlining service procedures in field operations where rapid turnaround is essential.
In rigorous fatigue testing, the Graco 114708 spring exhibits a fatigue endurance limit above 90% of its maximum rated load, surpassing industry benchmarks. Cyclic loading trials at 5 Hz confirm negligible set increase after 1 million cycles, underscoring robust mechanical stability. Engineers evaluate the fatigue life under varying amplitude loads to ensure reliability. Parameters such as load reduction, coil drift, and resonance frequency shifts are tracked to validate lifecycle predictions, making the 114708 ideal for mission-critical systems with low tolerance for mechanical failure.
The 114708 spring’s performance in coating delivery platforms exemplifies its versatility. When paired with advanced atomizing heads for professional coatings, it ensures uniform paint pressure and droplet formation. In high-viscosity media circuits, consistent spring dynamics reduce the risk of cavitation and maintain laminar flow properties. The part’s compact footprint also facilitates retrofitting into existing equipment without major redesigns. OEMs frequently specify this spring in new sprayer models to leverage its outstanding fatigue resistance and precise force control for superior finish quality.
Design engineers seeking resilient, high-performance compression springs will find the Graco 114708 embodiment a superior solution. Its balanced attributes—material strength, dimensional precision, and finishing quality—translate to seamless integration and reliable operation in a broad spectrum of fluid power applications. Whether deployed in airless sprayer configurations, high-pressure filtration loops, or precision piston pumps, the 114708 spring delivers measurable gains in system response, durability, and maintenance economy. Its compatibility with advanced high-pressure filtration modules further broadens its application scope.
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