

Graco DB4316 Pump 1590S PA01AS1SSPTSPPT is a stainless steel air-operated diaphragm pump with Santoprene balls and PTFE diaphragms for high corrosion resistance.
Graco DB4316 Pump 1590S PA01AS1SSPTSPPT is a stainless steel construction, air-operated diaphragm pump designed for industrial environments where corrosion resistance and broad chemical compatibility are required. Featuring a 1-1/2″ NPT inlet/outlet, stainless steel body and seats, Santoprene balls, and PTFE diaphragms, this model delivers reliable fluid transfer performance while maintaining resistance to corrosive substances. Its air-powered design eliminates the need for electrical power and supports use in a variety of industrial applications.
| Part Number | DB4316 |
|---|---|
| Pump Type | Air-Operated Double Diaphragm |
| Fluid Inlet/Outlet | 1-1/2″ NPT |
| Body Material | Stainless Steel |
| Seat Material | Stainless Steel |
| Diaphragm Material | PTFE |
| Ball Material | Santoprene |
| Maximum Pressure | 120 psi |
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