

The Graco 651290 1050S-PP Diaphragm Pump is a reliable air-operated pump designed for continuous industrial fluid transfer. Built with polypropylene wetted parts, it offers excellent chemical resistance and dependable performance in demanding environments.
The Graco 651290 1050S-PP Diaphragm Pump is a robust air-operated double diaphragm pump engineered for demanding industrial fluid transfer applications. Built on the trusted Husky 1050S platform, this pump delivers consistent performance, excellent chemical compatibility, and long service life in continuous-duty environments.
Its polypropylene fluid section makes it ideal for handling aggressive, abrasive, or sensitive fluids while maintaining reliable flow and pressure. The air-powered design eliminates electrical hazards and allows safe operation in hazardous or explosive work areas.
| Pump Type | Air-operated double diaphragm (AODD) |
|---|---|
| Model Series | 1050S (Husky Series) |
| Wetted Material | Polypropylene (PP) |
| Inlet / Outlet Size | 1 inch |
| Operation | Air-powered, non-electric |
| Duty Rating | Continuous industrial duty |
| Maintenance | Modular design for quick servicing |
The 1050S-PP diaphragm pump is preferred by professionals due to its ability to run dry without damage, self-prime efficiently, and handle both low and high-viscosity fluids. Its durable air valve design reduces downtime while ensuring smooth, stall-free operation.
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