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Graco 111504 Packing O Ring

The Graco 111504 Packing O-Ring provides a reliable seal inside check valve assemblies, ensuring leak-free operation in ProMix and T-Series pump systems.

  • Part No: 111504
  • Type: Packing / O-Ring Seal
  • Function: Prevents fluid and air leakage
  • Fits: Graco ProMix, T1, T2, T3 Pump Systems
  • Material: Durable elastomer for long service life

$40.85
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Graco 111504 Packing O-Ring – Check Valve Seal for ProMix and Pump Systems

Compatible Machines

  • Graco ProMix Series Proportioners (Check Valve Assembly)
  • Graco T1 Pump Systems
  • Graco T2 Pump Systems
  • Graco T3 Pump Systems
  • Other Graco Industrial Spray / Foam Equipment using the same check valve setup

Product Overview

The Graco 111504 Packing O-Ring is a high-quality sealing component designed to prevent fluid and air leakage in check valve assemblies across multiple Graco proportioner and pump systems. It ensures efficient pressure retention, reliable spray performance, and minimal downtime.

Key Features

  • Part No: 111504
  • Type: Packing / O-Ring Seal
  • Function: Prevents leakage in check valve assemblies
  • Material: Durable elastomer for chemical resistance and long life
  • Application: Used in Graco ProMix and T-Series Pump systems

Technical Specifications

Part Number 111504
Description Packing / O-Ring for Check Valve Seal
Function Provides leak-proof sealing inside check valve assemblies
Compatible Systems ProMix Series Proportioners | T1 / T2 / T3 Pumps | Foam & Spray Systems
Common Usage Seal replacement in Graco low- and medium-pressure fluid lines
OEM Quality Genuine Graco Original Part

Benefits

  • Prevents air or fluid leakage in pump and valve assemblies
  • Maintains system efficiency and smooth operation
  • Compatible with multiple Graco ProMix & Pump models
  • Simple to install and replace during maintenance

Frequently Asked Questions

It’s a sealing O-ring used in Graco check valves to prevent fluid or air leaks and maintain internal pressure within the pump or proportioning system.

It fits in Graco ProMix Series Proportioners and the T1, T2, and T3 Pump Systems, along with other compatible industrial spray or foam equipment using the same check valve setup.

No — it fits only specific Graco models that use the same check valve design. Always verify the part number in your system’s service manual before replacement.

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