

Internal pneumatic air tube for Graco air motor assemblies, designed to distribute compressed air evenly for stable and efficient pump operation.
| Equipment Category | Graco Systems | Function of Component |
|---|---|---|
| Air-Operated Diaphragm Pumps | Select Graco AODD pump models | Distributes compressed air within the air motor assembly |
| Air Motor Assemblies | Graco pneumatic air motors | Routes air between internal control and valve sections |
| Industrial Pump Systems | Graco fluid handling equipment | Maintains stable airflow for consistent operation |
The Graco 188966 Tube, Air is an OEM pneumatic routing component used within Graco air motor systems to channel compressed air between internal control sections. It ensures precise air distribution, supporting smooth and efficient pump cycling.
Installed inside the air motor assembly, it helps maintain balanced airflow, reduces pressure variation, and supports reliable performance in industrial fluid handling equipment.