Need All-Flo™ PVDF 1-1/2-inch AODD pumps for your process? These All-Flo™ 1-1/2-inch air-operated double diaphragm pumps use a PVDF wetted path and are built for dependable pneumatic pumping. PVDF is often chosen when you need a higher-performance thermoplastic wetted path for aggressive chemicals and demanding process fluids. This connection size is a strong middle ground when you need more capacity than smaller pumps but still want manageable line sizes. 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.