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Graco 100474 Coupling Pipe

Graco 100474 Coupling Pipe for High-Pressure Spray Systems

The Graco 100474 coupling pipe ensures seamless connectivity in demanding spray operations. Engineered for airless sprayer systems, this precision coupling minimizes downtime and optimizes spray performance. Its robust design supports high-pressure filtration and helps maintain consistent flow, delivering superior results when working with professional coatings. Paired with Graco Spray Guards, operators benefit from enhanced durability and reliable protection against wear during intensive applications.

  • Heavy-duty brass construction provides long-lasting performance in harsh environments, resisting corrosion.
  • Compatible with a wide range of Graco hoses and adapters for versatile setups.
  • Quick-connect design allows fast assembly and disassembly without special tools, saving time.

Compact yet durable, the Graco 100474 coupling pipe integrates effortlessly into existing spray lines. Whether you’re tackling large-scale projects or detailed finish work, this coupling enables smooth transitions between hoses and fittings. Enhance your setup with Graco Spray Tips for pinpoint accuracy and flawless coverage across diverse substrates.

$49.92

Precision Coupling Interface for High-Pressure Fluid Delivery: Graco 100474 Technical Profile

Introducing the Graco 100474 coupling, a precision-engineered fluid connection designed for demanding pumping applications in industrial environments. This coupling features a robust stainless steel alloy body CNC-machined to tolerances of ±0.005 in, ensuring airtight seals and minimal clearance variation under dynamic loads. The optimized internal geometry reduces pressure drop and flow turbulence, enabling high-velocity transfer of viscous media and high-solids professional coatings with uniform film build. An electroless nickel plating provides enhanced corrosion resistance and reduces galling during repeated engagement. Rated for pressures up to 6,000 psi, the Graco 100474 coupling withstands dynamic load fluctuations in automated dispensing systems, maintaining structural integrity under vibration and thermal cycling. Measuring just 1.65 in in length with a 1.9 in body diameter and 1.8 in thickness, and weighing only 0.49 lbs, it integrates seamlessly into compact manifolds. Its male and female ends use standardized thread profiles to interface with diverse hose assemblies, eliminating the need for custom adapters.

  • Compact dimensions of 1.65" × 1.9" × 1.8" minimize system footprint without compromising structural rigidity.
  • Stainless steel construction with electroless nickel plating ensures corrosion resistance and surface durability.
  • Lightweight design at 0.49 lbs supports rapid coupling cycles and minimizes dead volume in fluid circuits.

The coupling assembly features in any comprehensive graco parts list, streamlining inventory and part selection for service teams. Its modular architecture incorporates a replaceable seal cartridge that supports both NBR and fluorocarbon elastomers, allowing tool-free replacement in under two minutes. A stepped bore design with radiused transitions suppresses eddy currents and protects O-rings from shear stress, while external lugs lock into socket grooves to ensure precise axial alignment. Machined components use dual-lead thread profiles to reduce engagement torque by up to 30%, enabling reliable connection cycles even in contaminated environments. CAD models and 2D drawings are available for seamless integration into digital assembly workflows, supporting rapid design validation and documentation of fluid system layouts.

For optimal reliability, the Graco 100474 coupling pairs with high-pressure filtration units mounted immediately upstream to intercept abrasive particles and safeguard the dynamic seal interface. This configuration enhances seal longevity by minimizing microerosion and sustains pump efficiency through stabilized inlet pressure and reduced pulsation. Computational fluid dynamics analyses demonstrate that the coupling’s streamlined internal passages minimize shear on viscosity-sensitive media, assuring precise coating application. Optional flow restrictors and bypass orifices enable fine-tuned metering and reduced overspray in high-volume operations. Precision-ground contact surfaces maintain uniform compression on elastomer seals, delivering leak-free performance over thousands of cycles within thermal ranges from -20°C to 80°C. All components are manufactured under ISO 9001 quality controls to ensure consistent compliance and traceability.

Operational Integration and Maintenance

In advanced spray applications using graco sprayers, the 100474 coupling supports rapid color changes and media swaps with negligible fluid loss, facilitating uninterrupted workflow on high-throughput lines. A built-in purge channel enables automated cleaning cycles, evacuating residual material prior to formula transitions. The knurled collar design grants technicians secure manual engagement even when wearing safety gloves, while an integrated retention clip prevents accidental decoupling under pressurized conditions. In architectural coating booths and automotive finish cells, these features accelerate changeovers between high-viscosity sealants and fine-detail lacquers. The corrosion-resistant plated surface withstands solvent exposure and repeated sanitation routines, preserving coupling integrity in demanding production environments.

For modular assemblies on remote dispense platforms like the graco 360 dsp, the coupling integrates into rotary unions or swivel joints to maintain 360° rotation without leakage. Its compact profile minimizes added mass on robotic end-of-arm tooling, reducing required actuation torque. Engineers can install multiple couplings within a custom manifold block, supporting concurrent multi-channel formulation of two-component adhesives or sealants. A secondary seal chamber serves as a leak-back reservoir, capturing minor seepage and protecting critical surfaces. The knurled grip surface and precision thread fits allow for quick manual servicing, even in confined or harsh environments. The stainless steel housing meets stringent criteria for hygienic applications, offering compatibility with FDA and USP Class VI standards.

Overall, the Graco 100474 coupling delivers a reliable, compact, and durable solution for high-pressure fluid handling in professional coatings, sealant, and adhesive processes. Its combination of precision-machined components, advanced sealing technology, and compatibility with standard pump and hose modules supports efficient system design and minimal maintenance downtime. Nitrile and Viton seal options extend chemical compatibility across diverse formulations. Ideal for retrofit or new installations, this coupling enhances operational uptime and maintenance cycles in any airless sprayer or automated dispensing application.

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