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Graco 24R911 Ball, Stem

Regulates fluid flow inside Graco pump check valve assemblies to maintain proper sealing, prevent backflow, and support stable high-pressure spray performance.

  • Precision-machined ball and stem design
  • Used in Graco airless sprayer fluid sections
  • Supports consistent pressure control during operation
  • Helps reduce leakage and pressure loss
  • Compatible with select Ultra Max II, Mark V, GMAX II systems

$207
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Precision Fluid Control Component for Airless Spray Systems

Compatible Machines

The Graco 24R911 Ball, Stem is used in fluid control and pump assemblies within select Graco airless sprayers, ensuring proper sealing and consistent material flow during high-pressure operation.

  • Graco Ultra Max II Series professional electric airless sprayers
  • Graco Mark V Series texture and paint sprayer systems
  • Graco GMAX II Series gas-powered high-pressure sprayers
  • Graco contractor-grade airless sprayers with compatible pump assemblies
  • Selected Graco fluid section pump systems requiring stem-and-ball sealing components

Compatibility may vary depending on pump configuration and model year. Verify part numbers before replacement.

What is the Graco 24R911 Ball, Stem?

The Graco 24R911 Ball, Stem is a precision internal pump component designed to regulate fluid movement within airless spray systems. It works as part of the check valve assembly, helping control the direction and sealing of paint or coating materials under high pressure.

By maintaining proper sealing and flow control, this component ensures smooth pump cycling, consistent spray output, and reduced risk of backflow or pressure loss during operation.

Built for durability in demanding applications, it supports reliable performance in professional painting and coating environments.

Key Features

  • Precision-machined for accurate fluid control
  • Ensures proper sealing within check valve assembly
  • Supports stable high-pressure spray performance
  • Reduces risk of backflow and pressure loss
  • Designed for long service life in demanding use

Applications & Benefits

The Graco 24R911 Ball, Stem is widely used in professional spray systems where precise fluid control is essential.

  • Ideal for residential and commercial painting applications
  • Supports consistent coating flow in high-pressure systems
  • Helps maintain efficient pump cycling during operation
  • Reduces downtime caused by valve wear or leakage
  • Improves overall spray finish consistency and quality

Frequently Asked Questions

It regulates fluid direction and sealing inside the pump’s check valve system, ensuring proper pressure control and preventing backflow.

Replacement is needed when you notice pressure loss, inconsistent spray patterns, or visible wear during pump maintenance.

No, it is only compatible with specific Graco models that use matching fluid section and check valve assemblies.

Yes, a properly functioning ball and stem helps maintain steady pressure and consistent spray patterns for better finish quality.

Yes, it helps maintain proper sealing and fluid control, reducing strain on the pump and improving overall efficiency.

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