

Graco DBR377C31 Pump 1590S PA01AS5‑1SSBNBNPT is a Husky 1590 stainless steel air‑operated diaphragm pump with Buna‑N seats and PTFE diaphragms for balanced chemical compatibility and durability.
Graco DBR377C31 Pump 1590S PA01AS5‑1SSBNBNPT is a genuine Graco Husky 1590 series air‑operated diaphragm pump designed for industrial fluid handling applications. Equipped with a stainless steel fluid section, Buna‑N seats and PTFE diaphragms, it provides balanced chemical compatibility and robust performance. The pump also features an externally serviceable air valve for simplified maintenance and reliable continuous operation.
| Series | Husky 1590 |
|---|---|
| Part Number | DBR377C31 / 1590S PA01AS5‑1SSBNBNPT |
| Fluid Port Size | 1‑1/2 in. (38.1 mm) BSP |
| Centre Section Material | Aluminium |
| Fluid Section Material | Stainless Steel |
| Seat Material | Buna‑N |
| Diaphragm Material | PTFE |
| Maximum Flow Rate | 378 L/min (~100 gpm) |
| Maximum Fluid Pressure | 120 psi (8.4 bar) |
| Air Inlet Size | 1/2 in. NPT |
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