The GRACO 24K938 is a replacement check ball kit designed for use in GRACO air-operated diaphragm pumps. The kit contains Buna-N (nitrile rubber) check balls, which are known for their chemical resistance and durability. This kit is intended to restore or maintain the sealing and check valve function within the pump, ensuring reliable fluid transfer in industrial applications.

Key Features:

• Check Ball Kit
• 3-inch
• Buna-N (nitrile rubber) check balls
• GRACO Husky 3300 series air-operated diaphragm pumps[4]
• Designed for easy replacement and maintenance
• Buna-N material offers chemical resistance and durability
• Restores sealing and check valve function in pumps

Applications:
Used in industrial fluid transfer applications, particularly with high-viscosity materials, where reliable check valve operation is required. Suitable for use in mining, agriculture, manufacturing, and other heavy-duty environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of the pump system.
• Always follow the manufacturer’s recommended procedures for disassembly and reassembly of the pump
• Inspect all components for wear or damage before installation
• Ensure proper alignment and seating of check balls to prevent leaks and maintain pump efficiency
• Refer to the GRACO Husky 3300 pump manual for detailed instructions[5]