The Graco 17Z242 Piston Valve Assembly delivers exceptional performance in demanding spray applications. Designed for seamless integration with any airless sprayer, it provides consistent fluid delivery and precise control. Its robust construction minimizes downtime and supports high-pressure filtration, ensuring contaminants are effectively removed. Ideal for large-scale projects and industrial coatings, this valve assembly excels in rigorous environments, offering reliable operation and superior durability.
Crafted by Graco’s engineering experts, the 17Z242 ensures longevity under heavy usage and frequent cycling. Ideal for use with solvent-based or waterborne materials, it maintains consistent pressure control to achieve flawless finishes. Compatible with a variety of fluids, this assembly reduces pulsation and enhances spray pattern uniformity. Trust this component to uphold the highest standards for professional coatings, delivering clean results and simplifying preventive maintenance routines.
Graco 17Z242 Piston Valve Assembly stands as a benchmark for consistent fluid control in demanding spray systems. Engineers and finishers appreciate its robust construction, which combines precision machining with corrosion-resistant alloys. Pressure fluctuations and abrasive coatings pose significant challenges, but this valve assembly absorbs the stress, maintaining a smooth flow profile. Versatile by nature, it integrates seamlessly into high-pressure pumps, ensuring reliable performance across automotive refinish, industrial coating, and marine applications. With careful attention to compatibility and upkeep, users can maximize longevity and keep downtime at a minimum.
Proper installation begins with a clean environment and torque-controlled tools. Start by verifying that mating surfaces on the pump housing and valve assembly are free from debris. Apply a thin film of manufacturer-approved lubricant to O-rings, then align the piston valve assembly into the bore until it seats smoothly. Use a calibrated torque wrench to tighten fasteners in a star pattern, avoiding overcompression of seals. Completing initial pressure checks at low output ensures leaks are detected early. Documenting these steps in a maintenance log will aid in future troubleshooting.
This piston valve assembly complements a wide range of gravity-feed and pressure-feed guns, including those engineered for superior transfer efficiency. Performance remains stable when paired with a hvlp paint spray gun, where reduced air pressure and fine atomization are critical for minimal overspray. Sealing geometry has been optimized to handle varied fluid viscosities, from thin lacquers to heavily loaded polyurethanes. Users retrofitting existing systems will find bolt-hole patterns and inlet diameters neatly standardized for swift swapping without costly adapters.
Precision in every stroke is ensured by a high-grade stainless piston that resists galling under repetitive cycles. Increased flow capacity provides uniform spray patterns and consistent finish quality, even at elevated output rates. When integrated alongside premium hplv paint guns, operators notice a marked improvement in transfer rate and reduced material waste. Computational fluid dynamics (CFD) insights guided internal channel geometry, minimizing turbulence and pressure drop. These refinements translate into smoother surfaces, faster production speeds, and the ability to apply extended-line coating materials with minimal risk of cavitation.
Regular inspection and replacement of wear items are paramount for peak operation. Scheduled rebuilds should include new seals, backup rings, and a fresh piston to prevent scoring. Cleaning cycles can be accelerated by disassembling the valve assembly in a solvent-resistant tray, flushing channels with non-corrosive cleaners, and blow-drying with filtered air. Service intervals may vary based on abrasive coatings or heavy solids content, so condition-based monitoring is recommended. When ordering spare parts, always cross-reference the Graco catalog, such as part number graco ultra 395, to ensure authenticity and fit.
Adopting Graco 17Z242 Piston Valve Assembly unlocks consistent, high-precision fluid delivery that accommodates a spectrum of industrial tasks. Its rugged design and ease of service reduce unplanned downtime, while performance enhancements deliver superior finish results across applications. Guidance from certified technicians and availability of genuine piston valve assembly replacement kits reinforce a maintenance strategy built for reliability. For turnkey support, our service center provides assembly and calibration services to keep coatings operations running at peak efficiency.
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