The GRACO 111278 Packing O-Ring is a sealing component designed to prevent leaks and maintain pressure integrity within GRACO spray foam and fluid handling equipment. Its material is not specified in available sources, but it is typically made from durable elastomers suitable for high-pressure and chemical resistance. The part is intended for use in maintaining the seal between moving parts in GRACO pumps and sprayers.

Key Features:

• Packing O-Ring
• GRACO spray foam and fluid handling equipment (specific models not listed)
• Sealing function to prevent leaks
• Designed for reliability in high-pressure environments
• Ease of replacement as a maintenance part

Applications:
Used in GRACO spray foam systems and fluid handling equipment to maintain seals and prevent leaks during operation.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and longevity of equipment.
• Ensure equipment is depressurized before installation
• Clean mating surfaces before fitting the new O-ring
• Inspect for wear or damage during routine maintenance
• Follow manufacturer guidelines for replacement intervals
• Regularly inspect O-rings for wear or degradation
• Replace O-rings at recommended intervals or when leaks are detected
• Use only GRACO-approved replacement parts