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Graco 278825 Cup Casting Air Valve

$8.00
In Stock
Part #: 278825

OEM Graco 278825 Cup Casting Air Valve used for controlling compressed air flow in spray gun and air valve assemblies. Ensures reliable air regulation and consistent spray performance.

  • Original Graco replacement part
  • Precision cast air valve housing
  • Used in air-assisted and HVLP spray equipment
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Genuine OEM Part Fast Shipping (Order by 1 PM CST) Easy Returns

Graco 278825 Cup Casting Air Valve – Overview & Compatibility

Compatible Machines

Based on available OEM parts listings, Graco 278825 Cup Casting Air Valve is supplied as an original replacement component used in Graco air control assemblies. Graco does not publish a single fixed model list for this part; it is referenced in multiple service diagrams for the following equipment types:

  • Graco air-assisted spray guns
  • Graco HVLP spray gun air valve assemblies
  • Graco industrial coating and material delivery systems using cup-style air valves

Product Description

The Graco 278825 Cup Casting Air Valve is an OEM precision-machined air control component designed to regulate compressed air flow within Graco spray and coating equipment. The cast cup body forms the main housing of the valve, ensuring consistent air passage, long service life, and reliable sealing under continuous operating pressure. This part is commonly installed in air valve assemblies where accurate on/off or flow control is critical for spray pattern stability and trigger response.

Key Details

Part Number 278825
Product Name Graco Cup Casting Air Valve
Type Air Control / Valve Housing Component
Application Compressed air regulation in spray and coating equipment
Manufacturer Graco (OEM Replacement Part)

Frequently Asked Questions

This part forms the main air valve body that controls and directs compressed air inside the spray gun or air control assembly, ensuring smooth trigger operation and stable airflow.

Yes, part number 278825 is a genuine Graco OEM replacement component manufactured to original specifications.

Check your machine’s parts manual or exploded diagram and match part number 278825 in the air valve or air control section. You can also provide your model number to a Graco dealer for verification.

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