

The Graco 652423 3300P Pump is a 3-inch air-operated double diaphragm pump built for demanding industrial fluid transfer applications. Designed with polypropylene construction and Santoprene internals for durability and chemical resistance.
The Graco 652423 Pump 3300P SP/SP/SP/PT is a heavy-duty 3-inch air-operated double diaphragm (AODD) pump engineered for demanding industrial fluid transfer applications. Built with a polypropylene housing and Santoprene elastomers, this configuration delivers reliable performance in corrosive and abrasive environments while maintaining smooth, efficient operation.
| Component | Material Specification |
|---|---|
| Housing | Polypropylene (PP) – corrosion-resistant and lightweight |
| Seats | Santoprene (SP) |
| Balls | Santoprene (SP) |
| Diaphragms | Santoprene (SP) |
| Seals | PTFE (PT) – enhanced chemical resistance |