Graco 167770 Check Valve Helical Compression Spring
$34.70
In Stock
OEM Graco 167770 Helical Compression Spring for internal check valve assemblies. Helps maintain proper valve sealing and prevent material back-flow.
- OEM Part: 167770
- Application: Check Valve Spring
- Used in select Hydra-Cat mixer systems
- Ensures reliable sealing performance
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Genuine OEM Part
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Graco 167770 Helical Compression Spring for Check Valves
Compatible Machines
This internal helical compression spring is used in selected Graco plural-component mixer and check valve assemblies. Compatibility depends on the valve configuration in your sprayer or mixing system. Known reference usage includes:
- Graco Hydra-Cat Plural Component Mixer Heads (models such as 207-389, 207-390, 207-388; verify via parts list)
- Systems utilizing Graco check valve assemblies that call for OEM part 167770
Product Details
The Graco 167770 spring is a precision helical compression spring designed for internal check valve operation. It helps maintain proper valve seating and prevents material back-flow, ensuring reliable system performance.
| OEM Part Number | 167770 |
|---|---|
| Component Type | Helical Compression Spring |
| Primary Application | Check Valve Assemblies |
| System Usage | Plural-component material mixing and high-pressure fluid handling |
Key Benefits
- Maintains proper check valve seating and sealing
- Prevents reverse material flow inside valves
- Durable OEM replacement ensures long component service life
- Supports consistent spray performance and mixing accuracy
When to Replace
- Loss of valve sealing or back-flow issues
- Weakening or fatigue of spring tension over time
- During check valve rebuild or scheduled maintenance
Frequently Asked Questions
It provides closing force to the check valve, helping maintain seal integrity and preventing material from flowing backward through the system.
Check your equipment parts manual for part number 167770 or contact support with your model and serial number for compatibility verification.
Yes, this is an original OEM Graco replacement spring for check valve assemblies.
Replace during valve rebuild, when reduced tension affects sealing, or if performance issues suggest back-flow through the valve.
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