Description
The GRACO 557543 is a spring for a check valve used in the Modu-Flo pump system. It is made of music wire and is intended to function within the check valve mechanism of the Modu-Flo pumps, ensuring proper flow control and preventing backflow.
Key Features:
- Check Valve Spring
- Music Wire
- Modu-Flo pumps
- Reliability in maintaining flow direction
- Ease of maintenance due to simple spring design
Applications:
Used in lubrication systems, particularly with Modu-Flo pumps for dispensing lubricants like oil or grease.
Installation Notes:
- Using genuine parts ensures optimal performance and longevity of the equipment.
- Ensure proper alignment during installation
- Follow manufacturer guidelines for maintenance and replacement
- Regularly inspect for wear and tear
- Replace the spring if it shows signs of fatigue or damage






Reviews
There are no reviews yet.