When your system calls for 1-inch Stainless Steel AODD pumps from All-Flo™, a few details matter most. A 1-inch connection is a versatile size that fits many everyday transfer and recirculation setups without oversizing the pump. Stainless Steel is a dependable option when you need a durable metal wetted path and corrosion resistance for tough service. These All-Flo™ 1-inch air-operated double diaphragm pumps use a Stainless Steel wetted path and are built for dependable pneumatic pumping. As you narrow your choice, match the wetted material to your fluid chemistry and verify pressure, temperature, and installation requirements. Browse available configurations below and pick the option that matches your setup.