

The Graco 194214 Diaphragm Geolast 1590 is an OEM elastomer diaphragm for 1590‑series diaphragm pumps, engineered for chemical resistance and reliable fluid displacement. It ensures leak‑free, durable pump operation under pressure.
The Graco 194214 Diaphragm Geolast 1590 is an OEM‑grade pump diaphragm designed for 1590‑series AODD (air‑operated double‑diaphragm) pumps. Made from Geolast elastomer, it provides flexible yet durable sealing and fluid displacement. Using this diaphragm ensures reliable, leak‑free operation and chemical compatibility under pressure — preserving pump efficiency and longevity.
| Specification | Details |
|---|---|
| Part Number | 194214 |
| Component Type | Pump Diaphragm (Geolast Elastomer) |
| Function | Fluid displacement and sealing in 1590 diaphragm pumps |
| Compatible Equipment Type | 1590‑series diaphragm pumps, chemical transfer rigs, coating systems |
| Material / Build | Geolast elastomer — chemical and abrasion resistant |
| Installation | Installed inside pump housing during maintenance or rebuild per manufacturer guidelines |
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