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Graco 17X218 3" Stainless Steel Coupler

Durable 3-Inch Stainless Steel Coupler for Airless Sprayer Systems

Enhance your spray finishing process with the Graco 17X218 Coupler, the industry-standard quick-connect solution for airless sprayer systems. Manufactured from precision-engineered stainless steel, this coupler guarantees reliable performance under the most demanding conditions. Compatible with a range of high-pressure filtration setups, its robust design minimizes leaks and disruptions, ensuring a consistent spray pattern and optimal material flow for top-tier finishes. Its corrosion-resistant seal and precision-machined threads deliver effortless coupling and decoupling, reducing downtime and maintaining peak productivity on every project.

  • Durable stainless steel construction
  • Effortless quick-connect mechanism
  • High-pressure filtration compatibility

Whether you're working on architectural or professional coatings, this precision component simplifies maintenance and replacement tasks on site. Expertly crafted for durability, it resists wear from abrasive materials and cleans effortlessly for rapid equipment turnover. With its corrosion-resistant build and snug fit, you can trust its longevity and seamless integration into your existing tools. Upgrade to the 3-inch stainless steel standard for unmatched performance, reliability, and finish quality in every coating project.

$130.37
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Graco 17X218 Coupler, 3" Ss: Precision Stainless Steel Connection for Heavy-Duty Spraying Systems

Graco’s 17X218 Coupler, 3" Ss sets a new benchmark for fluid-transfer reliability in demanding industrial applications. Crafted from premium stainless steel, it resists corrosion, abrasion, and high-pressure wear while facilitating seamless connection between pumps, hoses, and spray guns. Professionals appreciate its ergonomic release lever that minimizes operator fatigue and optimizes cycle times for large-scale coating or cleaning operations.

  • High-pressure coupling compatible with solvent and waterborne coatings
  • Quick-release lever for expedited service and minimal downtime
  • Precision-machined seal surfaces to prevent leaks under elevated pressures

Build Quality and Material Composition

Stainless steel construction, often 316-grade, ensures both chemical resistance and structural integrity in harsh environments. Each component undergoes precision machining to tight tolerances, guaranteeing consistent fit and finish. Hardened internal surfaces resist galling when repeatedly mated to a matching adapter, extending service life over thousands of cycles. Corrosion inhibitors and passivation treatments further enhance durability, so users can rely on this coupler in salt-spray or aggressive solvent applications without performance degradation.

Performance and Reliability

Capable of handling pressures upward of 3,000 psi, this coupler maintains leak-free operation under heavy loads and rapid pressure fluctuations. Low-friction seals reduce torque requirements during engagement and disengagement, preserving O-ring integrity over extended use. Compatibility extends to advanced devices such as an x7 paint sprayer and other high-volume fluid-delivery systems. Vibration dampening features minimize noise and mechanical fatigue, ensuring stable performance even on mobile platforms or remote booms. Routine inspections reveal minimal wear patterns, affirming its robust engineering.

Installation and Maintenance Tips

Before initial assembly, inspect all mating surfaces for debris or damage. Lubricate O-rings sparingly with a manufacturer-approved grease to ease connection while avoiding contamination. Hand-tighten the coupler until fully seated, then apply a quarter-turn with a wrench to achieve proper compression without overloading the threads. After each shift, flush the assembly with a compatible solvent to remove resin or particulate buildup. When disassembling, release internal pressure fully to prevent sudden ejection of fluid. Servicing the lever mechanism at regular intervals with light machine oil will keep actuation smooth and reduce wear on pivot points.

Compatibility with Accessories and Systems

Designed to integrate seamlessly with a broad range of Graco pumps and hoses, this coupler also adapts to third-party manifolds and distribution blocks. It pairs effectively with standard male adapters, extension nipples, and vacuum relief valves to create custom configurations. Users have reported trouble-free operation when combining it with equipment such as the graco 395 sprayer for medium-viscosity coatings or applying protective finishes in automotive and marine environments. Solid performance across variable flow rates and fluid types underscores its versatility in multi-station setups.

Key Benefits and Application Scenarios

Ideal for shipyards, industrial coating lines, and commercial construction jobs, the 17X218 coupler excels when rapid changeovers and uncompromised sealing are critical. Its stainless steel body stands up to harsh cleaning cycles, while the internal check valve stops unwanted fluid backflow during hose swapouts. Integration with automated spray systems means fewer manual touchpoints and improved safety. Technicians gain confidence knowing coupler failures are seldom a cause for unscheduled shutdowns, boosting overall uptime.

Expert Support and Service

Professional contractors seeking streamlined installation can access dedicated technical assistance for fluid system design, ensuring the 17X218 coupler matches pressure requirements and material compatibility. Spare parts, including replacement seals and lever assemblies, are stocked for rapid dispatch. Training modules cover proper hookup practices, preventive maintenance schedules, and troubleshooting techniques to preserve peak performance. For comprehensive system optimization, field service engineers provide on-site diagnostics and calibration.

Conclusion

Exceptional toughness, precise manufacturing standards, and effortless operation define the Graco 17X218 Coupler,3",Ss. When paired with accessories like the magnum x5 paint sprayer, it delivers a leakproof pathway for high-pressure fluid delivery from pump to applicator. Its industrial-grade stainless steel build and quick-release design minimize downtime while maximizing system reliability. For turnkey solutions that optimize productivity and safety in demanding spray and fluid-handling environments, our team offers complete service support, from specification guidance to installation and maintenance oversight.

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