The Graco 166986 Helical Compression Spring is a yellow-coded internal regulator spring used for maintaining proper back-pressure control.
This Graco 166986 Helical Compression Spring is used inside specific Graco back-pressure fluid regulators. Below are the compatible assemblies:
The Graco 166986 Helical Compression Spring is a yellow color-coded internal spring designed for use inside select Graco back-pressure regulator assemblies. It provides the required compression force for maintaining consistent fluid control and regulator balancing. This component is essential for restoring proper spring tension, ensuring stable operation and maintaining accurate pressure regulation within the system.
| Part Number | 166986 |
|---|---|
| Part Type | Helical Compression Spring (Yellow Coded) |
| Used In | Back Pressure Fluid Regulator Assemblies |
| Primary Function | Provides spring-loaded compression force for fluid regulation |
This spring ensures reliable regulator response by maintaining proper internal pressure balance. A worn or damaged spring may cause fluid pressure fluctuations, making timely replacement essential for optimal system performance.
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