The GRACO C20138 is a packing O-ring made from Viton material, designed to provide a reliable seal in various GRACO dispensing and spray equipment. Its primary function is to prevent leaks and maintain pressure integrity within the system.

Key Features:

• Packing O-Ring
• C20138
• Viton
• Used on models 243206, 243656, 243657, and 243658 only
• High chemical resistance due to Viton material
• Reliable sealing performance
• Designed for easy replacement and maintenance

Applications:
Used in GRACO pressure compensating valve assemblies and dispensing systems, particularly for sealing critical components in spray and lubrication equipment.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment.
• Ensure the system is depressurized before replacing the O-ring.
• Clean the seating area thoroughly before installation.
• Lubricate the O-ring with compatible grease to prevent damage during installation.
• Inspect the O-ring for any defects before use.
• Regularly inspect O-rings for wear or damage.
• Replace O-rings during routine maintenance or if leaks are detected.
• Use only recommended lubricants and replacement parts.