Graco 16U797 Ball Stop

Compatible Machines

The Graco 16U797 Stop Ball is an internal pump-lower part used across multiple Graco industrial and high-output sprayer systems. It appears in pump assemblies that use the standard inlet/outlet valve configuration.

• Graco high-pressure industrial sprayers using standard pump-lower assemblies
• Graco professional airless sprayers compatible with inlet housing 109 / outlet housing 110 pump configurations
• Graco units utilizing OEM pump-lower rebuild components for fluid valve control

Product Overview

The Graco 16U797 Stop Ball is a genuine OEM internal valve component used within pump-lower systems to regulate fluid movement. It works together with the ball, seat, rod, and housing to maintain consistent paint flow and proper valve sealing. This part is typically replaced during pump-lower servicing, rebuilds, or maintenance procedures to restore system efficiency.

Key Features

• OEM manufactured for precise fit and durability
• Designed for internal valve control in pump-lower assemblies
• Helps maintain smooth fluid flow and sprayer performance
• Essential replacement component during pump-lower rebuilds

Technical Notes

This stop ball appears in Graco service documentation for pump-lower teardown and rebuild operations. It is commonly replaced alongside valve seals, O-rings, ball seats, and other related components.

Frequently Asked Questions