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Graco 188749 Packing U-Cup Air Valve

The Graco 188749 Packing U‑Cup Air Valve seals moving parts in air valve assemblies to prevent air leakage and maintain pressure.

  • OEM U‑cup packing
  • Prevents internal air leaks
  • Durable elastomer for long life

$16.97
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Graco 188749 Packing U‑Cup Air Valve – Sealing for Air Valves

Compatible Machines

  • Graco air‑operated valve systems
  • Air control assemblies in pumps and spraying equipment

The Graco 188749 Packing U‑Cup Air Valve is designed to seal moving components in air‑actuated valve systems, preventing air leakage and maintaining system responsiveness and pressure.

Key Features

  • OEM U‑cup design for precise sealing
  • Reduces internal air leakage
  • Durable elastomer for extended life
  • Maintains efficient air valve performance

Installation & Usage Tips

  • Inspect air valve bore before install.
  • Ensure U‑cup is oriented correctly.
  • Replace if hardening or cracking appears.

Frequently Asked Questions

It seals moving air valve components to prevent air leakage.

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