

Graco Husky 1050A 1″ diaphragm pump with stainless steel seats and Santoprene/Buna‑N balls/diaphragm — rugged and flexible for oil, water, and industrial fluids.
| Manufacturer | Graco |
|---|---|
| Model Number | 647591 |
| Type | Air‑Operated Double Diaphragm Pump |
| Center Section Material | Stainless Steel |
| Port Size | 1″ BSPT/NPT |
| Air Inlet | 1/2″ NPT |
| Wetted Material | Stainless steel seats, Santoprene/Buna‑N balls & diaphragm |
| Compatible Media | Water, Oils, Antifreeze, Coolants |