The GRACO 105444 BALL (.31250) is a precision-engineered spherical component designed for use within GRACO pump assemblies. It is typically constructed from durable materials such as hardened steel or ceramic to withstand repetitive motion and high-pressure environments. This ball is a critical part of the fluid section in GRACO pumps, ensuring proper sealing and smooth operation during fluid transfer.

Key Features:

• Piston fluid section ball
• 0.3125 inch diameter
• GRACO 795 II Ultra Max Standard and Premium models, Express Pump Lower Kit for ProConnect, and other compatible GRACO pump assemblies[4][5]
• Precision fit for reliable sealing
• Durable construction for long service life
• Ease of maintenance as part of pump repair kits

Applications:
Used in GRACO airless spray pumps and fluid handling equipment for applications such as painting, lubrication, and industrial fluid transfer.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with GRACO equipment, reducing downtime and maintenance costs.
• Always use genuine GRACO replacement parts for best results
• Follow the equipment manual for proper installation procedures
• Inspect the ball and surrounding components for wear or damage before installation
• Ensure proper lubrication and alignment during assembly