The GRACO 620840 is a replacement packing nut and throat assembly designed for use in GRACO fluid handling and spray equipment. It is typically constructed from durable materials such as metal or engineered plastics to withstand the rigors of industrial environments. This part is essential for maintaining proper sealing and alignment within the pump assembly, ensuring reliable operation and preventing leaks.

Key Features:

• Packing Nut, Throat
• Designed for use in GRACO pump assemblies; specific models not listed
• Ensures proper sealing and alignment in pump assemblies
• Designed for reliability and ease of maintenance
• Engineered for industrial duty cycles

Applications:
Used in GRACO fluid handling and spray equipment for sealing and maintaining pump integrity in industrial, mining, agricultural, and maintenance applications.

Installation Notes:

• Using genuine GRACO replacement parts like the 620840 ensures optimal fit, performance, and longevity of your equipment. Non-genuine parts may compromise safety and reliability.
• Ensure the equipment is depressurized and isolated before installation
• Inspect the packing and throat area for wear or damage prior to installation
• Follow manufacturer torque specifications for the packing nut to prevent over-tightening or leaks
• Regularly inspect and maintain the packing nut and throat assembly as part of routine equipment maintenance