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Graco 15V869 Packing U-Cup

The Graco 15V869 U-Cup Packing ensures a reliable seal for HVLP Edge spray guns, improving performance and preventing fluid leaks.

  • OEM-grade sealing performance
  • Designed for Graco HVLP Edge gun models
  • Durable elastomer construction
  • Helps reduce leakage and wear
  • Lightweight and easy to install

$6.55
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Graco 15V869 U-Cup Packing Seal

Compatible Machines

  • Graco HVLP Edge Gun – model **256855
  • Graco HVLP Edge Gun – model **256856
  • Graco HVLP Edge Gun – model **257092
  • Graco HVLP Edge Gun – model **257388
  • Graco HVLP Edge Gun – model **257827

Product Description

The **Graco 15V869 Packing U-Cup** is a precision-engineered sealing cartridge, designed for high-pressure **HVLP Edge** systems. Made from durable elastomer and molded to OEM tolerances, it provides a robust, leak-resistant seal that helps maintain fluid integrity and minimize maintenance downtime.

Specification Value
Material Elastomer (OEM-grade)
Dimensions ~1.2″ × 1.2″ × 1.2″ (compact profile) 
Pressure Capability Up to ~5,000 psi (continuous)
Weight Approximately 0.01 lbs (very lightweight) 

Key Benefits

  • **Leak-resistant design**: Self-energizing U-cup profile ensures tight sealing.
  • **OEM-quality fit**: Manufactured to match Graco’s original spec for reliable replacement.
  • **Durable performance**: Built to endure cyclic high-pressure operation with minimal wear.
  • **Easy to service**: Compact form factor allows fast installation in pump assemblies.
  • **Versatile applications**: Ideal for professional coatings, sealants, and industrial spray setups.

Maintenance & Installation Tips

  • Before installation, lubricate the seal with compatible fluid to reduce friction on first start-up.
  • Ensure the gland cavity is clean and free of debris or old packing to avoid damaging the new seal.
  • When reassembling, torque gland or housing per Graco’s manual to avoid over-compression.
  • Check periodically for wear or extrusion; replace included packing before significant leakage occurs.

Frequently Asked Questions

This U-Cup seal is used in Graco’s **HVLP Edge** spray guns such as models 256855, 256856, 257092, 257388, and 257827, as listed in the Graco 256961 repair kit documentation. :contentReference[oaicite:9]{index=9}

Replacement intervals depend on usage, coating abrasiveness, and operating pressure. As a guideline, inspect the U-Cup during routine maintenance or whenever you observe leakage — replace it when wear lip becomes visible or performance degrades.

Potentially, yes — but it's important to check the **gland dimensions**, **shaft size**, and **pressure rating** of your pump. Using a seal outside its design parameters may reduce its life or compromise sealing performance.

The Graco **256961 maintenance/repair kit** includes: o-rings (111316, 112085), U-cup gasket (124585), screw (15V847), spacer (15V865), U-cup spreader (15V867), the 15V869 U-Cup packing, labels, check valve assembly (256958), tubing, and cup gasket (M70424).

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