

The Graco 194218 Diaphragm Geolast 3275 is an OEM elastomer diaphragm designed for 3275‑series diaphragm pumps, providing chemical resistance, reliable fluid displacement, and leak‑free operation under pressure. It ensures stable pump performance and longevity even with aggressive or abrasive fluids.
The Graco 194218 Diaphragm Geolast 3275 is an OEM elastomer diaphragm crafted for 3275‑series diaphragm pumps. Its Geolast construction offers flexibility with strong resistance to chemicals, abrasion and pressure — enabling safe and reliable fluid transfer. Installing this diaphragm ensures stable sealing, consistent fluid displacement, and prolongs pump service life even in demanding industrial environments.
| Specification | Details |
|---|---|
| Part Number | 194218 |
| Component Type | Pump Diaphragm (Geolast Elastomer) |
| Function | Fluid displacement and sealing in 3275 diaphragm pumps |
| Compatible Equipment Type | 3275‑series diaphragm pumps, chemical transfer rigs, industrial fluid systems |
| Material / Build | Geolast elastomer — chemical and abrasion resistant |
| Installation | Installed inside pump housing during rebuild or maintenance per manufacturer instructions |
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