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Graco 121829 Packing O-Ring 162

A genuine Graco 121829 packing O-Ring (-162) designed for reliable sealing in high-pressure fluid and platen systems. Helps prevent leaks and maintain consistent pump performance.

  • OEM sealing ring for 20, 30 & 60 L platen systems
  • High-resistance fluorocarbon elastomer
  • Suitable for demanding chemical and coating applications
  • Ensures long-lasting, leak-free operation

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Graco 121829 – Packing O-Ring (-162)

This Graco 121829 O-Ring is a durable, OEM-quality packing seal for demanding, high-pressure fluid systems — made to preserve efficiency and prevent leaks over long run times.

Compatible Machines

  • Graco supply systems using 20, 30 & 60 L platens
  • Graco general-industry ram assemblies

Technical Specifications

Part Number 121829
Seal Type Packing O-Ring
Variant -162
Material Fluorocarbon elastomer (high chemical and thermal resistance)
Typical Use High-pressure filtration loops and pump manifolds

Key Features & Benefits

  • Precision-engineered to ISO-grade tolerances for tight sealing and long life
  • Resists aggressive coatings, solvents, and temperature extremes
  • Minimizes maintenance by reducing wear and pump leak risk
  • OEM part for reliable compatibility and performance

Installation & Maintenance Tips

  1. Clean all contact surfaces before installation to avoid abrasion.
  2. Lubricate lightly with a Graco-approved fluid to help seating.
  3. Install carefully to avoid twisting or nicking the lip.
  4. Inspect at regular intervals (e.g. every 500 operating hours) and replace if there’s wear, flattening, or extrusion.

Frequently Asked Questions

As a genuine Graco OEM part, the 121829 is manufactured to exact tolerances and materials, ensuring optimal seal life, chemical resistance, and compatibility — outperforming generic replacements in high-pressure applications.

The 121829 is designed for high-pressure systems used in Graco’s fluid delivery and platen-mounted configurations. Always consult your machine’s manual for its maximum working pressure.

As part of best practice maintenance, check the O-ring every rebuild cycle (e.g. ~500 hours) and replace if you see signs of wear, flattening, or chemical damage.

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