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Graco 15M189 Spacer Backup Seal

The Graco 15M189 Spacer Backup Seal supports the seal assembly for a high‑quality, leak‑resistant fit in coating and spraying systems.

  • Backup‑seal spacer for check valves & assemblies
  • OEM‑quality precision component
  • Used in industrial coating systems
  • Helps maintain reliable sealing performance

$19.31
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Graco 15M189 Spacer Backup Seal

Compatible Machines

  • Graco industrial coating sprayers & 2K equipment
  • General Graco fluid‑handling systems requiring backup seal spacers

Key Features

Feature Description
Precision Machining Spec’d dimensions ensure proper spacing for the seal to function optimally.
OEM Component Meets Graco’s original equipment standards for durability and fit.
Material Stability Designed for industrial use with resistance to chemical and pressure stress.
Easy Replacement Small part size and straightforward swap keep downtime minimal.

Installation & Usage Tips

  • Ensure system is depressurized and drained before replacing the spacer.
  • Clean the sealing area and ensure no debris or damage on adjacent parts.
  • Install the backup spacer exactly as the old one was oriented.
  • After installation, run the system and inspect for leaks around the seal area.

Frequently Asked Questions

Without the correct spacer, the adjacent seal may deform or leak due to improper support and spacing.

It’s recommended to use the OEM part to ensure exact fit and support; aftermarket spacers may not match tolerances.

Inspect during each major maintenance cycle or if you notice leak or seat wear; replacement is inexpensive and prevents bigger failures.

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