The Graco 190123 Nut Swivel enhances pump performance with its robust design and precise thread-fit, ensuring leak-free connections on a wide range of fluid transfer systems. Ideal for airless sprayer setups, this swivel nut supports consistent fluid flow under high pressure, making it a reliable replacement component in maintenance and repair projects. This durable swivel nut delivers extended service life across demanding coating and sealing jobs, facilitating efficient high-pressure filtration and fluid management. Built to withstand rigorous industrial demands, this nut swivel preserves spray quality over time.
Engineered to integrate seamlessly with Graco spray guns, hoses, and manifold assemblies, the 190123 Nut Swivel provides rapid assembly and disassembly for routine inspection. Its precision-machined surfaces maintain tight tolerances that optimize seal integrity against professional coatings, solvents, and abrasive materials, improving workflow and reducing downtime. Its corrosion-resistant finish and universal thread pattern reduce cross-compatibility issues, enhancing system reliability in both construction and automotive environments.
$195.5Graco 190123 Nut Swivel offers professionals a robust solution for fluid line connections in high-demand environments. Tailored for industrial spray systems, this compact swivel eliminates hose kinks and friction, ensuring uninterrupted fluid delivery. Built with premium stainless steel and precision-machined tolerances, it seals reliably under pressures up to 5000 psi while facilitating smooth 360-degree rotation. Minimizing hose torque transfer improves operator comfort during extended runs and prolongs hose life dramatically. Its compact profile also reduces weight at the tool end, streamlining maneuverability in tight spaces.
Engineered from high-grade 303 stainless steel, the nut swivel resists solvents, moisture, and fluctuating temperatures without risking structural degradation. Precision machining to tolerances within ±0.005 mm provides a leak-free seal even under rapid start-stop cycles. Electropolishing of internal surfaces minimizes particulate adhesion, streamlining cleaning protocols and maintaining consistent flow rates. The robust alloy withstands mechanical stress, delivering over 1.5 million cycles in fatigue tests before any measurable wear appears.
Industry professionals can integrate this swivel seamlessly with any hvlp paint spray gun system, improving fluid delivery consistency across varied coatings. Interchangeable couplers allow rapid switching between materials such as primers, lacquers, and enamels while preserving optimum flow characteristics. Compatibility extends to both manual and automated setups, so whether mounting on a spray robot arm or hand-held device, alignment remains precise and repeatable.
Operators experience fewer disruptions thanks to reduced hose drag and minimized torque transfer to the handler. When fitted on modern hplv paint guns, the swivel nut mitigates operator fatigue and enables precise directional control without manual hose adjustments. Frequent repositioning tasks become faster, supporting tight production schedules and reducing downtime. Integration with quick-disconnect fittings further expedites changeovers in multi-stage coating operations.
Withstanding pressures up to 5000 psi, the swivel retains sealing integrity under aggressive delivery rates. Computational fluid dynamics analysis confirms a laminar flow path that minimizes pressure drop, ensuring consistent spray patterns across varying viscosities. Lab testing demonstrated zero leakage after 10,000 actuations, validating its endurance. Designed as an ideal companion for heavy-duty sprayers, it complements the graco ultra 395 series and other high-output systems that demand unwavering reliability.
Key specifications include an internal bore diameter of 5.0 mm, external thread size of 1/4" NPSM, and a maximum operating temperature of 80 °C. Weight is kept under 50 grams to avoid adding undue mass at the spray head. Sealing elements use Viton materials rated for chemical resistance, while optional EPDM seals are available for waterborne coatings. Torque requirements for installation range between 30 and 35 inch-pounds, ensuring a snug fit without overstressing connections.
Prior to installation, confirm mating threads are clean and free of debris. Hand-tighten the swivel nut to the specified torque using a calibrated wrench, then verify alignment by rotating the hose through its full range of motion. Avoid using thread sealants that contain PTFE, as they may migrate and contaminate sensitive coatings. For initial start-up, perform a pressure test at 10 % above operating range to detect any potential leaks before production use.
Routine maintenance involves periodic visual inspections for wear or abrasion at the swivel interface. Clean external surfaces with compatible solvents to remove overspray residue, and lubricate internal o-rings using silicone-based greases recommended by Graco. Replacement intervals for sealing elements depend on material selection and operating conditions but generally fall within 12 to 18 months. OEM replacement parts preserve performance benchmarks and maintain warranty coverage.
Designed to comply with OSHA standards and ANSI B40.1 guidelines, this swivel nut includes color-coded bands for quick identification of pressure ratings. Its non-sparking stainless steel body reduces risk in flammable environments, while smooth contours eliminate sharp edges that could compromise protective gear. Documentation includes detailed traceability records and material certificates to satisfy audit requirements.
Installation by certified technicians ensures optimal performance and compliance with safety regulations. OEM replacement parts guarantee compatibility, and authorized service centers can provide torque calibration, detailed inspection logs, and rapid-response maintenance services. This Graco 190123 Nut Swivel stands out as a critical replacement part that enhances both uptime and coating quality.
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