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Graco 234389 Air Pressure Regulator

The Graco 234389 Air Pressure Regulator is used to control and maintain stable air pressure in pneumatic spray and fluid handling systems, ensuring consistent performance and equipment protection.

  • Self-relieving air pressure regulator
  • Built-in gauge for easy monitoring
  • Helps prevent pressure fluctuations
  • Designed for Graco air-powered systems

$332.71
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Compatible Machines & Applications

The Graco 234389 Air Pressure Regulator is designed for use in a wide range of Graco air-powered fluid handling and spray systems. It is a component-level part installed inline within the air supply and is not limited to a single sprayer model.

  • Air-powered paint and coating spray systems
  • Pneumatic fluid dispensing systems
  • Air-driven diaphragm and piston pump setups
  • Industrial compressed air control lines
  • General Graco pneumatic equipment requiring regulated air pressure

Product Overview

The Graco 234389 Air Pressure Regulator is used to accurately control and maintain air pressure supplied to pneumatic equipment. By stabilizing incoming air pressure, it helps ensure consistent performance, reduces equipment wear, and improves operational safety.

This regulator features a self-relieving design, which automatically releases excess pressure when the setting is lowered. An integrated pressure gauge allows operators to monitor air pressure at a glance, making adjustments quick and precise.


Key Features

Function Regulates and maintains consistent air pressure
Design Self-relieving air regulator with built-in gauge
Pressure Control Allows precise air pressure adjustment
Application Pneumatic spray and fluid handling systems
Installation Type Inline air supply installation

Why Use This Regulator

  • Helps protect air-powered equipment from over-pressurization
  • Improves spray consistency and fluid control
  • Reduces downtime caused by pressure fluctuations
  • Easy monitoring with integrated pressure gauge

Frequently Asked Questions

It controls and stabilizes the air pressure supplied to pneumatic equipment, ensuring consistent operation and protecting components from pressure-related damage.

No, it is a universal air regulator component used across many Graco air-powered systems, as long as pressure and fitting requirements match.

Yes, the regulator includes an integrated gauge for real-time air pressure monitoring.

It is installed inline on the air supply line before the pneumatic equipment or pump.

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