The Graco 116716 Fitting Elbow 90 Degree delivers seamless integration for your spraying setup, ensuring optimal flow and minimal downtime. Crafted from rugged aluminum alloy, this precision component withstands the toughest jobsite demands while maintaining corrosion resistance. Its design creates a secure seal, preventing leaks and delivering consistent spray patterns. Compatible with a wide range of tips and hoses, it adapts effortlessly to evolving project requirements. Engineered for compatibility with professional-grade pumps, it optimizes material transfer rates for consistent results.
Ideal for professional coatings applications, this elbow enhances the performance of your airless sprayer systems by maintaining stable pressure under demanding conditions. The precise geometry contributes to high-pressure filtration efficiency, making sure contaminants are minimized before reaching your nozzle. Rugged reliability and easy maintenance make the Graco 116716 the go-to choice for tradespeople committed to superior finish quality. Its straightforward installation reduces setup time on any job.
$12.61Graco 116716 Fitting Elbow 90 Degree is a precision-engineered connector designed for high-pressure fluid conveyance in professional coatings and airless sprayer systems. Manufactured using nickel-plated brass, this fitting elbow ensures exceptional corrosion resistance, minimal wear, and reliable sealing at critical interface points. The 1/4″ NPT male/female configuration offers compatibility across a wide range of Graco pumps and aftermarket accessories, supporting fluid viscosities from low-molecular solvents to viscous sealants. Its streamlined internal passage contributes to enhanced pump efficiency and reduced pulsation within spray circuits. Ideal for maintenance technicians and OEM engineers, it integrates seamlessly within complex RTU assemblies.
The ergonomic geometry of this elbow fitting enables swift directional changes in fluid lines, reducing stress on pump components and piping runs. By maintaining straight-run pump input and output orientations, it optimizes pump efficiency and minimizes pulsation. It’s compatible with high-pressure filtration modules and can withstand rapid pressure cycling in automated spray robots. Installation requires minimal torque to achieve uniform thread seal, leveraging an integral chamfer to align O-ring seats precisely. System integration is facilitated by compact dimensions and a low profile design, reducing assembly complexity and supporting modular manifold layouts. The fitting’s smooth bore design limits eddy formation and material degradation in long run circuits. Seal interfaces are optimized for dynamic reciprocation and static seal longevity.
The fitting’s nickel-plated brass alloy composition balances ductility with tensile strength, yielding a robust structure that resists galling and thread damage. The plating process achieves a uniform thickness of 0.0002″, ensuring long-term protection against corrosion from waterborne coatings and solvent-based substrates. Internal surfaces are diamond-turn polished to a surface roughness (Ra) below 0.4 µm, promoting laminar flow and reducing particle entrapment. Male and female threads adhere to ANSI B1.20.1 standards, enabling interchangeability with existing Graco manifold blocks and fluid manifolds. Additionally, the use of lead-free formulations addresses regulatory compliance in potable water and food-grade processes. The fitting’s seamless forging technique eliminates micro-cracks, and secondary heat treatment enhances yield strength by 15%. End-to-end, the internal bore diameter maintains a tolerance within ±0.005″ to ensure consistent fluid displacement and prevent cavitation. Engineers will appreciate the color-coded plating surface for rapid visual inspection of wear zones after repetitive cycle testing.
Engineered to sustain pressures up to 4,000 PSI at ambient temperatures, this elbow fitting supports peak pressure bursts approaching 6,000 PSI. Temperature range spans -10°F to 250°F, accounting for thermal expansion in high-temperature fluid coatings. Pressure testing includes 1.5× proof pressure and 3× burst pressure protocols to validate safety margins. Fatigue testing under cyclic loading up to 50,000 cycles confirms performance stability, with less than 0.1% dimensional change. When deployed upstream of high-pressure filtration cartridges, it contributes to extended filter service life by minimizing bypass flow. The low-dead-volume design allows rapid purging operations, optimizing flush efficiency during product changeovers. Compatibility with both pneumatic and hydraulic drive systems makes it versatile across industrial spraying, injection molding, and chemical metering platforms.
The 90° bend radius is engineered at 1.5× the nominal ID to maintain Reynolds numbers below 2,000, preventing turbulence-induced cavitation. An internal swage eliminates sharp transitions, preserving fluid velocity profiles. Thread lead-in angles are set to 37° for NPT compliance, while an internal flat landing captures an EPDM O-ring to enhance seal longevity under cyclic loading. A secondary chamfer at the outlet reduces outlet stresses and allows quick coupling with quick-release adapters. Material compatibility charts confirm resistance to polyurethane, acrylics, and acid-based etchants. Swivel orientation aids in load distribution, ensuring torque consistency at 120 in-lb. Use of advanced CAD modeling and FEA simulation in prototyping validated stress concentration factors, ensuring the fitting meets ISO 9001 quality benchmarks. The part number 116716 is laser-etched on the swivel face for traceability within OEM maintenance records.
In professional coatings lines, this fitting elbow provides reliable joint integrity for airless sprayer manifolds, proportioning valves, and high-pressure hose assemblies. Its design ensures fluid compatibility with epoxies, urethanes, and waterborne primers. It is equally suited for adhesive dispensing systems in automotive and aerospace manufacturing. Routine inspection focuses on thread condition and O-ring integrity, while high-pressure filtration stages upstream protect against particulate ingress. Integration with digital flow meters and pressure sensors enables real-time diagnostics and predictive maintenance scheduling. By streamlining directional changes, it reduces downtime and simplifies system routing, enhancing overall operational uptime.
Periodic maintenance involves verifying torque settings and inspecting nickel plating for abrasion marks. If plating degradation is observed, replace the fitting to prevent seal failure. The EPDM O-ring should be lubricated with compatible grease to maintain flexibility. Under normal duty cycles, the elbow achieves over 10,000 actuation cycles without performance degradation, reflecting its optimized fatigue resistance. Proper installation and adherence to torque specifications ensure extended component life and consistent pump efficiency, making it an essential element of any high-performance fluid delivery architecture.
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