

Graco Husky 1050 1″ air‑operated diaphragm pump with aluminum body, acetal seats, Geolast balls & diaphragms — rugged industrial pump for water, chemical and oil transfer operations.
| Manufacturer | Graco |
|---|---|
| Model Number | 647640 |
| Type | Air‑Operated Double Diaphragm Pump |
| Center Section Material | Aluminum |
| Port Size | 1″ BSPT inlet/outlet |
| Air Inlet | 1/2″ NPT |
| Wetted Material | Aluminum, acetal seats, GE balls & Geolast diaphragm |
| Compatible Media | Water, Oils, Chemicals, Coolants |