

Heavy-duty prime valve designed to control priming and pressure relief in compatible Graco high-pressure spray systems for safe startup and stable fluid flow.
| Compatible Equipment | Compatibility Details |
|---|---|
| Graco Heavy Duty Airless Sprayers | Used in prime/spray control assemblies for high-pressure applications. |
| Graco Fluid Delivery Systems | Compatible with select professional-grade fluid handling units. |
| Industrial Spray Equipment | Fits systems requiring heavy-duty priming and pressure relief control. |
The Graco 24B339 Valve, Prime, Heavy Duty is a high-performance control valve designed for managing priming and pressure relief functions in compatible Graco spray systems. It directs fluid flow during priming operations, allowing safe pressure release and efficient system setup before spraying begins.
Built for demanding industrial applications, this heavy-duty valve supports reliable fluid control, helping maintain system stability, reduce startup issues, and improve operational efficiency in high-pressure environments.
The 24B339 prime valve is commonly used in professional painting systems, industrial coating operations, construction equipment, and fluid transfer systems where controlled priming and pressure relief are required for safe operation.