The Graco 15C987 gland packing plays a pivotal role in maintaining peak performance for your airless sprayer systems. Engineered to deliver a durable seal, it reduces friction and extends component life during demanding professional coatings projects. Crafted from robust materials, this packing ensures smooth operation and reliable pressure containment in heavy-use environments.
Optimized for industrial maintenance and daily use, the Graco 15C987 gland packing supports robust sealing solutions in applications requiring high-pressure filtration and minimal downtime. Its precise tolerances ensure a precision fit around shafts, reducing wear and preventing leaks even under extreme operating conditions. This reliable component integrates seamlessly into existing assemblies, helping technicians maintain consistent workflow and achieve superior finish quality. Ideal for use in paint distribution circuits and seal kits, it delivers consistent control. Trust this packing in your collaborative systems to uphold top-tier durability and performance standards.
$7.25The Graco 15C987 gland packing is engineered to deliver uncompromised seal integrity in demanding industrial settings. Specifically designed for integration within airless sprayer manifolds and paint circulation loops, this compact gland ring maintains optimal pump efficiency under sustained cycles of high-pressure operation and rapid reciprocating motion. Its 1.1-inch square cross-section accommodates dynamic reciprocation while minimizing axial friction and wear. The packing assembly is formulated for compatibility with a wide range of chemical agents, including high-solids epoxies and solvent-resistant polyurethane systems, ensuring uniform sealing performance in professional coatings booths and automated spray lines that require precise atomization and flow stability at pressures exceeding 3,000 psi.
The core construction of the 15C987 gland packing employs a multi-component PTFE composite braid reinforced with graphite and aramid fibers to reduce friction and enhance mechanical strength. Integrated strands of dark fiber within the braid matrix boost thermal stability and deliver superior chemical inertness when operating with aggressive solvent-based coatings or waterborne mediums. This hybrid matrix exhibits exceptional cold flow resistance under extreme pressure cycles, translating into extended seal longevity and minimal extrusion.
Manufactured to exacting tolerances, each gland packing ring is cut and face-finished using CNC machining to ensure flatness within ±0.005 mm. Non-invasive inspection employs synthetic aperture ultrasonic scanning to detect voids or fiber delamination prior to assembly. Laser profilometry validates surface roughness and guarantees consistent seal interface geometry. These quality control measures protect orifice plates and valve poppets from abrasion and mitigate pressure spikes during stroke transitions, maintaining smooth operation across the duty cycle of industrial coating systems.
Under cyclical loads, the Graco 15C987 gland packing demonstrates exceptional volumetric retention, achieving up to 98.7% flow consistency and significantly improved pump efficiency compared to conventional braided packings. Friction coefficients remain below 0.12 across a temperature span from –20 °C to 120 °C, enabling rapid start-up and shutdown. Endurance testing over 200,000 reciprocations shows less than 0.03% dimensional change, directly correlating with prolonged seal longevity and reduced downtime. Pressure drop across the packing stack is minimal, ensuring stable output for high-precision spray patterns.
In piston and diaphragm pump configurations, the 15C987 gland packing integrates into inline manifolds and pump heads without extensive housing modifications, making it ideal for professional coatings operations. Its low-profile design adapts to existing airless sprayer platforms, supporting waterborne basecoats, high-solids enamels, and multi-part epoxy resins. The packing ring resists permeation by fine particulate slurries and solvent vapors, ensuring contamination-free fluid flow. The ring’s compatibility with aggressive acids and bases broadens its application scope. Compatibility with synthetic ester oils enhances hydrodynamic lubrication, facilitating longer maintenance intervals and preserving system cleanliness in multi-stage filtration setups.
Utilizing advanced CAD-driven parametric modeling workflows, engineers fine-tune braid density, cross-sectional dimensions, and flange interface geometry to meet specific operational parameters. Finite element analysis simulates thermomechanical stress and predicts deformation under load, enabling precise calibration of gland nut torque and packing stack height. Acoustic resonance analysis further validates dynamic stability. This approach reduces prototyping cycles and streamlines integration with diverse pump architectures, delivering consistent performance across varying pressure and temperature ranges.
For optimal sealing performance, gland nuts should be torqued incrementally in a crisscross pattern using a calibrated torque wrench to ensure uniform compression. Initial break-in cycles under low-pressure conditions help seat the braid without overstressing the material. Routine inspections should monitor extrusion gaps and braid integrity, with specialized puller tools recommended for removal to prevent fiber damage. Balancing compression and lubrication preserves braid hydration and prevents adhesive wear, contributing to predictive maintenance schedules and maximizing uptime.
Overall, the Graco 15C987 gland packing sets a new benchmark for industrial sealing solutions in high-demand fluid handling and coating systems. By integrating advanced composite materials, precision manufacturing, and rigorous testing protocols, this packing ring delivers unparalleled seal longevity and performance stability. Whether deployed in airless sprayer modules, high-pressure filtration units, or complex pump manifolds, its design accommodates a broad spectrum of fluids and environmental conditions. The modular nature of the packing assembly enables rapid adaptation to evolving process requirements, reinforcing its value as a cornerstone component for professional coatings and high-volume production lines.
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