When your system calls for 1/2-inch Aluminum AODD pumps from All-Flo™, a few details matter most. This connection size is a strong middle ground when you need more capacity than smaller pumps but still want manageable line sizes. Aluminum is a great fit when you want a lighter metal pump body and your fluid is compatible with the material. These All-Flo™ 1/2-inch air-operated double diaphragm pumps use a Aluminum wetted path and are built for dependable pneumatic pumping. If you’re replacing an existing unit, double-check your connection size and specs so the swap is smooth. Browse available configurations below and pick the option that matches your setup.