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Graco 110004 Packing O-Ring

Graco 110004 Packing O-Ring provides a reliable seal for Graco G15 and G40 spray guns, ensuring smooth operation and preventing fluid leaks.

  • Fits Graco G15 & G40 spray guns
  • Made from durable NBR material
  • High resistance to coatings and solvents
  • Prevents fluid leakage and wear

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Graco 110004 Packing O-Ring – Compatibility & Technical Details

Compatible Machines

  • Graco G15 Air-Assisted Spray Gun
  • Graco G40 Air-Assisted Spray Gun
  • Graco Airless Sprayer Systems with G15/G40 Needle Assemblies

Product Description

Graco 110004 Packing O-Ring is a high-performance seal component designed to prevent fluid leakage in Graco spray guns and high-pressure pump assemblies. Engineered from durable elastomer material, it ensures consistent performance, smooth needle operation, and maximum sealing efficiency in industrial coating systems.

Technical Specifications

Specification Details
Part Number 110004
Material Nitrile Butadiene Rubber (NBR)
Hardness 70 Shore A
Cross-Section Diameter 3.53 mm ± 0.05 mm
Pressure Rating Up to 4,000 psi
Temperature Range -20 °C to 90 °C
Applications Air-Assisted Spray Guns, Pump Modules, Manifolds

Key Features

  • Leak-free seal for fluid needle and packing assemblies
  • High chemical resistance to epoxy, polyurethane, and acrylic coatings
  • Durable NBR material resists abrasion and deformation
  • Perfect fit for Graco G15/G40 spray gun systems
  • Easy replacement during regular maintenance cycles

Maintenance & Installation

Ensure the sealing area is clean and properly lubricated before installation. Apply a silicone-based lubricant to reduce friction and avoid tearing during press-fit. Inspect regularly for wear or leakage and replace as part of scheduled maintenance to maintain system performance and spray consistency.

Frequently Asked Questions

The O-Ring provides a tight seal around the fluid needle assembly in Graco spray guns, preventing leaks and ensuring consistent pressure and spray performance.

It fits the Graco G15 and G40 air-assisted spray guns and other compatible Graco airless systems that share the same fluid needle and packing assembly.

Replace the O-Ring during routine maintenance or when signs of wear, leakage, or fluid creep are observed around the packing area.

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