

The Graco 15A218 Lower Diaphragm Housing provides a stable base for diaphragm assemblies, ensuring proper alignment and leak-free performance in Graco regulators.
The Graco 15A218 Lower Diaphragm Housing is a foundational component in Graco’s pneumatic regulators, serving as the base structure that holds and supports the diaphragm assembly under dynamic operating conditions.
| Specification | Detail |
|---|---|
| Part Number | 15A218 |
| Component Type | Lower diaphragm housing |
| Material | Machined metal / die-cast (Graco OEM specification) |
| Function | Encloses and supports the diaphragm, plate & associated parts |
| Compatibility | Used in Graco pneumatic regulator assemblies (e.g., models 233813, 234259) |