The GRACO 278825 is a cup casting air valve component designed for use in GRACO diaphragm pump assemblies. Its main material is not explicitly stated, but it is typically constructed from durable plastics or metals suitable for air valve applications. This part functions as a critical element in the air valve assembly, ensuring proper air flow and pressure regulation within GRACO equipment.

Key Features:

• Air valve component
• Compatible with GRACO diaphragm pump assemblies
• Compact size for easy integration
• Lightweight (approx. 0.08–0.1 lbs)
• Reliable performance in air valve assemblies
• Ease of maintenance due to standardized design

Applications:
Used in GRACO diaphragm pump systems for air flow and pressure regulation in lubrication, maintenance, and fluid transfer applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and longevity of the equipment.
• Ensure the pump is depressurized before installation
• Inspect the valve seat and mating surfaces for debris or damage
• Follow GRACO equipment manual for specific installation procedures
• Regularly check for wear and replace as needed to maintain system efficiency