Part 550-223 is an in-line gun filter used to capture debris and contaminants before they reach the spray tip. When particles enter the fluid stream, tip clogging and uneven spray patterns can occur, reducing finish quality and causing downtime. This filter installs between the gun body and tip assembly to help maintain consistent fluid flow and protect internal components from abrasive wear. Restoring proper filtration ensures reliable spray performance on compatible airless spray guns.
| Part Number | 550-223 |
|---|---|
| Part Description | In-line Gun Filter |
| Brand | Airless |
| Fits | SGX 20 Airless Gun; Airless S5 |
| Condition | New |
The 550-223 in-line gun filter is a replacement filtration component designed to remove particulates from coating materials before they enter the spray tip. Positioned directly in the fluid path between the gun body and the tip assembly, this filter captures debris, dried paint fragments, and other contaminants that commonly cause tip clogging and irregular spray patterns. On compatible Airless SGX 20 and Airless S5 spray guns, maintaining a clean filter element helps preserve consistent fluid delivery, reduces the frequency of tip cleaning, and protects precision internal components from abrasive wear that can lead to premature failure. A clogged or damaged filter can restrict flow, cause pressure fluctuations, and allow contaminants to reach the tip, resulting in streaky finishes, spitting, or complete flow interruption. Replacing the filter restores proper filtration efficiency and supports reliable spray performance under normal operating conditions. Regular inspection of the filter element is recommended when experiencing any reduction in spray quality or after spraying materials with high solids content.
| Containment filtration | Traps particles and debris before material reaches the spray tip |
|---|---|
| Tip protection | Prevents clogging that causes streaking and irregular patterns |
| Component preservation | Reduces abrasive wear on internal gun passages and seals |
| Visible clogging | Debris accumulation that cannot be cleaned from the screen |
|---|---|
| Reduced flow | Noticeable pressure drop at the tip with no other restrictions |
| Damaged screen | Tears, punctures, or deformed mesh allowing contaminant bypass |
| Frequent tip clogs | Repeated blockages indicating filter is no longer effective |
Part 550-223 is compatible with the following airless spray guns. Confirm fitment using the correct parts diagram for your specific model.
| Spray Gun Model | Component |
|---|---|
| Airless SGX 20 | In-line Gun Filter |
| Airless S5 | In-line Gun Filter |
Spray quality issues often involve multiple components. When servicing the in-line filter, these parts are commonly inspected or replaced at the same time.
Worn or damaged tips can cause pattern defects and may contribute to back-pressure issues.
Primary filtration at the pump outlet; both filters work together to protect the system.
Worn seals can introduce air or allow contaminants past the main filtration point.
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