

Graco Husky 1050A 1″ air‑operated diaphragm pump with aluminum center, acetal seats, stainless steel balls and Buna‑N diaphragm — rugged and versatile for water, oils, coolants, and industrial fluids.
| Manufacturer | Graco |
|---|---|
| Model Number | 647637 |
| Type | Air‑Operated Double Diaphragm Pump |
| Center Section Material | Aluminum |
| Port Size | 1″ BSPT inlet & outlet |
| Air Inlet | 1/2″ NPT |
| Wetted Material | Aluminum body, acetal seats, SS balls, Buna‑N diaphragm |
| Compatible Media | Water, Oils, Coolants, Detergents |
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