The Graco 194389 Housing, Top is a replacement top housing for diaphragm pumps — ideal for refurbishing worn units and restoring proper pump structure and seal integrity.
The Graco 194389 Housing Top is a robust upper housing component engineered to support internal pump structures. It ensures correct alignment of internal diaphragms, valves, and chambers for reliable operation. Built for durability, it helps preserve pump integrity and reduces wear during heavy-duty use.
| Attribute | Detail |
|---|---|
| Part Number | 194389 |
| Component Type | Upper housing assembly |
| Material | Heavy-duty engineered metal/plastic composite |
| Purpose | Supports internal pump mechanisms and chambers |
| Application | Pump structural support in fluid-handling systems |
| Use-case | Industrial coating, chemical transfer, spray systems |
Disassemble the pump carefully and remove the existing top housing. Align the new 194389 housing correctly with internal components and secure bolts evenly. Ensure all seals and gaskets are properly positioned before final tightening to avoid leaks.
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