

GRACO 16D039 Restrictor, Catalyst controls catalyst flow for accurate mixing and consistent spray performance.
| Manufacturer | Graco |
| Model Number | 16D039 |
| Type | Flow Restrictor |
| Center Section Material | Metal |
| Port Size | Standard inline |
| Air Inlet | N/A |
| Wetted Material | Metal |
| Compatible Media | Catalysts, chemical additives |
The catalyst restrictor ensures accurate flow regulation for proper chemical mixing. It plays a key role in maintaining consistent spray quality and preventing overuse of catalyst materials.