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Graco 15J546 Lower Disk Valve

$37.80
Available to Order
Part #: 15J546

The Graco 15J546 Lower Valve Disk delivers reliable sealing in the valve assembly, ensuring consistent flow and preventing back‑leak.

  • Precision lower valve disk
  • Ensures tight sealing
  • Resistant to wear and erosion
  • OEM‑grade replacement
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Graco 15J546 Lower Valve Disk – Product Overview

Compatible Machines

  • Graco Ultra Max II 395
  • Graco Ultra Max II 595
  • Graco Ultra Max II 695
  • Graco Ultra Max II 795
  • Graco Ultra Max II 1095
  • Graco Ultra Max II 1595

The Graco 15J546 Lower Valve Disk is a critical sealing component in the valve assembly that helps regulate material flow and prevents fluid back‑leak. Manufactured to precise tolerances, it ensures smooth, consistent sprayer performance.

Key Feature Description
Precise Sealing Surface Engineered to form a tight seal against valve seats.
Wear Resistance Handles repeated cycling without eroding quickly.
OEM Quality Specifically designed for Graco valve assemblies.
Long Service Life Durable materials extend replacement intervals.

Replacing your sprayer’s lower valve disk with the 15J546 ensures dependable sealing, stable pressure, and longer valve life — especially in high‑use or high‑pressure applications.

Installation & Maintenance Tips

  • Depressurize your system fully before disassembling the valve.
  • Clean the valve housing and seating surface prior to installing the disk.
  • Make sure the disk sits flush to ensure proper sealing.
  • Inspect for wear or grooving during routine service.
  • Replace the disk if sealing performance degrades or leakage occurs.

Frequently Asked Questions

It forms a critical part of the valve’s seal, helping to control spray flow and prevent back‑leak.

Replace if you notice leaking, reduced spray pressure, or visible wear on the sealing surface.

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