The GRACO 116870 Ring, Backup is a replacement part designed for use in GRACO industrial equipment. Its material is not explicitly specified in available sources, but similar GRACO backup rings are typically made from PTFE (polytetrafluoroethylene) for durability and chemical resistance. This part is intended to provide backup support for seals or O-rings within GRACO pumps or proportioning systems, helping to prevent extrusion and extend the life of sealing components.

Key Features:

• Backup Ring
• Provides backup support for seals/O-rings
• Helps prevent extrusion and extend seal life
• Designed for reliability and ease of maintenance in industrial environments

Applications:
Used in GRACO pumps and proportioning systems to support and protect seals or O-rings, ensuring reliable operation in industrial lubrication and fluid handling applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of equipment.
• Ensure equipment is depressurized and isolated before installation.
• Inspect the backup ring for damage or contamination before fitting.
• Follow GRACO equipment manual instructions for proper installation and maintenance.