ARO Diaphragm Pumps

ARO Diaphragm pumps are simple to apply to your application because they are self-priming and can be run at variable flows controlled by air pressure or fluid back pressure. They can handle materials that are abrasive and/or shear sensitive. They can also be run dry without damage to the pump.

Introducing the New High-Performance Compact: PD05, PD03, PD07

Metallic Diaphragm Pumps are available in aluminum, stainless steel and cast iron. Check models for availability. Aro’s new Pro Series family has all new members at both ends of the delivery spectrum. In the low-to-medium flow range, we offer our new PD05 (1/2″) and PD03 (3/8″) models. Featuring our patented air valve technology, including Simul Shift and D-Valve designs, users are assured of stall-free operation, with optimum energy efficiency.