

The Graco 651323 1050S Stainless Steel Diaphragm Pump is a durable air-operated pump designed for reliable industrial fluid transfer, especially where chemical resistance and consistent performance are required.
The Graco 651323 1050S Stainless Steel Diaphragm Pump is a heavy-duty air-operated double diaphragm pump designed for reliable fluid transfer in demanding industrial environments. Built with stainless steel fluid sections, this pump is ideal for handling aggressive, corrosive, or high-purity fluids while maintaining consistent performance.
As part of the Husky 1050 series, it delivers a balanced combination of flow rate, durability, and low air consumption, making it suitable for continuous-duty applications where downtime must be minimised.
| Pump Type | Air-operated double diaphragm (AODD) |
|---|---|
| Fluid Section Material | Stainless steel |
| Port Size | 1 inch BSPT inlet and outlet |
| Maximum Flow Rate | Up to approximately 50 GPM (189 LPM) |
| Maximum Fluid Pressure | Up to 125 PSI (8.6 bar) |
| Diaphragm & Ball Material | PTFE for chemical resistance and long service life |
| Operation | Runs on compressed air, suitable for hazardous areas |