

Graco DT4311 Husky 1590S Air‑Operated Double Diaphragm Pump is a 1.5‑inch pneumatic diaphragm pump for industrial and commercial fluid transfer systems.
Graco DT4311 Pump 1590S‑PS01AS1SSPTPTPT provides low-pulsation fluid transfer for industrial applications. Its 1.5‑inch NPT ports integrate seamlessly with piping systems.
The air-operated double diaphragm design ensures reliable continuous-duty performance and minimal maintenance.
| Brand | Graco |
|---|---|
| Part Number | DT4311 |
| Model Code | 1590S‑PS01AS1SSPTPTPT |
| Pump Type | Air‑Operated Double Diaphragm |
| Fluid Port Size | 1.5 in NPT |
| Application | Industrial & Commercial Fluid Transfer |
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