The GRACO 16N786 is a piston packing U-cup, typically made from durable elastomeric material, designed to provide a reliable seal within the piston assembly of GRACO fluid handling equipment. Its primary function is to prevent leakage and maintain pressure integrity in pumps and spray systems.

Key Features:

• Piston Packing, U-Cup
• 16N786
• Designed for use in GRACO piston pumps and spray equipment
• Provides a reliable seal for piston assemblies
• Designed for durability and long service life
• Ease of maintenance and replacement

Applications:
Used in GRACO piston pumps and spray systems for sealing and maintaining pressure integrity in fluid handling applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of the equipment.
• Ensure the piston and cylinder are clean and free from debris before installation
• Lubricate the U-cup with compatible lubricant as recommended by GRACO
• Follow manufacturer guidelines for proper seating and alignment
• Regularly inspect the U-cup for wear or damage
• Replace the packing at recommended intervals or if leaks are detected
• Use only genuine GRACO replacement parts for best results