Graco 15A177 Spring Plate

Graco 15A177 Spring Plate – OEM Regulator Top Plate

The Graco 15A177 Spring Plate is a precision-machined component designed to provide a stable and durable seating surface for the compression spring in Graco high-pressure regulators. It ensures reliable operation and consistent spring tension for long-term regulator performance.

Product Overview

The Graco 15A177 Spring Plate is manufactured from high-strength, wear-resistant steel to withstand continuous stress. It evenly distributes the spring’s force to maintain accurate preload and prevent wear or deformation over time. As a genuine OEM part, it ensures optimal compatibility and supports consistent performance and longevity.

Key Features

• Genuine Graco OEM part — Part Number: 15A177
• Durable construction for continuous compression cycles
• Provides a stable “top” surface for regulator springs
• Maintains precise spring preload and regulator pressure stability
• Resists fatigue and deformation under high-pressure conditions

Technical Specifications

Compatible Machines

• Graco Mechanical Fluid Pressure Regulators
• Graco Mechanical Back‑Pressure Regulators
• Other Graco pneumatic regulator assemblies used in finishing/spray applications

Installation

Follow these steps to properly install the Graco 15A177 Spring Plate:

• Ensure the system is fully depressurized before disassembly.
• Remove the regulator’s top cover carefully.
• Take out the old spring plate and inspect the spring and other internal components for wear.
• Place the new 15A177 plate on top of the spring, ensuring it seats evenly.
• Reassemble the regulator cap or housing, aligning all parts properly.
• Repressurize slowly and test the regulator to verify stable performance.

Frequently Asked Questions