Description
The GRACO C20846 is a back-up ring used in proportioning pumps and automatic metering valves. Its material is not explicitly specified in available sources, but back-up rings are typically made from durable polymers such as PTFE or nylon. The part is designed to support and protect O-rings or quad rings within GRACO equipment, ensuring proper sealing and extending the life of the sealing components.
Key Features:
- Back-up ring
- C20846
- Compatible with GRACO proportioning pumps and automatic metering valves (e.g., Model 482)
- Supports and protects O-rings or quad rings
- Enhances sealing performance
- Extends the life of sealing components
Applications:
Used in GRACO proportioning pumps and automatic metering valves, such as the Model 482, to ensure reliable sealing and prevent extrusion of O-rings or quad rings under pressure.
Installation Notes:
- Using genuine GRACO back-up rings ensures proper fit, performance, and longevity of the sealing system, reducing the risk of leaks and equipment failure.
- Inspect the back-up ring for damage before installation
- Ensure the ring is installed in the correct orientation and position relative to the O-ring or quad ring
- Follow the equipment manual for specific installation procedures
- Regularly inspect back-up rings during routine maintenance
- Replace back-up rings if they show signs of wear or damage
- Use only genuine GRACO replacement parts for optimal performance
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