

The Graco 234387 High Output Valve with Gauge allows precise air pressure control directly at the spray gun, helping improve spray consistency and finish quality.
The Graco 234387 High Output Valve with Gauge is commonly used with Graco air spray and HVLP spray gun assemblies where precise air pressure control is required. Below are the machines and systems where this valve is typically compatible.
The Graco 234387 High Output Valve with Gauge is designed to regulate and monitor air pressure directly at the spray gun or air line connection. The integrated pressure gauge allows operators to set and maintain consistent air pressure, improving spray pattern quality and overall application performance.
This valve is ideal for professional spraying environments where accurate pressure adjustment is critical for consistent material flow, atomisation, and finish quality.
| Part Number | 234387 |
|---|---|
| Product Type | High Output Air Control Valve with Gauge |
| Gauge Included | Yes – Built-in pressure gauge |
| Function | Air pressure regulation and monitoring |
| Application | HVLP and pneumatic spray gun systems |
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