

The Graco 194212 Diaphragm Geolast 1040 is an OEM‑grade pump diaphragm for 1040‑series diaphragm pumps. It provides fluid displacement and sealing under pressure, ensuring reliable and chemical‑resistant pump performance in coating or chemical applications.
The Graco 194212 Diaphragm Geolast 1040 is a critical OEM diaphragm for 1040‑series air‑operated diaphragm pumps. It forms the flexible barrier that displaces fluid and enables suction/ discharge cycles. Because it is made from Geolast elastomer, the diaphragm offers strong chemical resistance, wear resistance, and reliable sealing under pressure. Using this diaphragm ensures safe, leak‑free pump operation even with aggressive coatings, solvents, or abrasive fluids.
| Specification | Details |
|---|---|
| Part Number | 194212 |
| Component Type | Pump Diaphragm (Geolast Elastomer) |
| Function | Fluid displacement and sealing in diaphragm pump cycles |
| Compatible Equipment Type | 1040‑series diaphragm pumps, fluid transfer rigs, coating systems |
| Material / Build | Geolast elastomer — chemically resistant and durable under pressure |
| Installation | Installed inside pump housing during maintenance or rebuild per manufacturer instructions |
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