Product Categories

Pro Series | ARO

ARO Pro-Series® Pumps are industry-leading air-operated double diaphragm (AODD) pumps built to provide exceptional performance, reliability, and long service life. Featuring advanced pneumatic technology and a rugged, seal-less design, Pro-Series pumps ensure efficient, leak-resistant fluid transfer while minimizing maintenance and downtime.

Available in a variety of materials, sizes, and port configurations, these pumps are capable of handling a wide range of fluids, including corrosive chemicals, abrasive slurries, high-viscosity liquids, solvents, paints, coatings, and food-grade products. Their durable construction and efficient air motor design deliver smooth operation, high flow rates, and excellent energy efficiency in demanding applications.

Ideal for chemical processing, oil & gas, mining, water treatment, food & beverage, pharmaceuticals, paints & coatings, and general industrial manufacturing, ARO Pro-Series® Pumps provide dependable fluid handling solutions trusted by professionals worldwide for maximum productivity and operational efficiency.

ARO 6661U3-311-C Diaphragm Pump 1-1/2" Non-Metallic

Brand: ARO, Product Type: Pump, Product Series: PRO Series, Material - Diaphragm: Neoprene, Application: Marine Pump/Equipment, Inlet/Outlet Connection Type: ANSI Flange, Inlet Size: 1-1/2 in, Material - Housing: Cast Iron, Outlet Size: 1-1/2 in, Solids Handling: 1/4 in, Material - Balls: Neoprene...

Price: $3083.92
Details

ARO 6661U3-344-C Diaphragm Pump 1-1/2" Non-Metallic

Brand: ARO, Product Type: Pump, Product Series: PRO Series, Material - Diaphragm: PTFE/Santoprene, Application: Marine Pump/Equipment, Inlet/Outlet Connection Type: ANSI Flange, Inlet Size: 1-1/2 in, Material - Housing: Cast Iron, Outlet Size: 1-1/2 in, Solids Handling: 1/4 in, Material - Balls: Tef...

Price: $3815.46
Details

ARO 6661U3-3EB-C Diaphragm Pump 1-1/2" Non-Metallic

Brand: ARO, Product Type: Pump, Product Series: PRO Series, Material - Diaphragm: Santoprene, Application: Marine Pump/Equipment, Inlet/Outlet Connection Type: ANSI Flange, Inlet Size: 1-1/2 in, Material - Housing: Cast Iron, Outlet Size: 1-1/2 in, Solids Handling: 1/4 in, Material - Balls: Santopre...

Price: $3083.92
Details

ARO 6661U4-444-C Diaphragm Pump 1-1/2" Non-Metallic

Brand: ARO, Product Type: Pump, Product Series: PRO Series, Material - Diaphragm: PTFE/Santoprene, Application: Marine Pump/Equipment, Inlet/Outlet Connection Type: ANSI Flange, Inlet Size: 1-1/2 in, Material - Housing: Cast Iron, Outlet Size: 1-1/2 in, Solids Handling: 1/4 in, Material - Balls: Tef...

Price: $7779.45
Details

ARO 6661U4-4EB-C Diaphragm Pump 1-1/2" Non-Metallic

Brand: ARO, Product Type: Pump, Product Series: PRO Series, Material - Diaphragm: Santoprene, Application: Marine Pump/Equipment, Inlet/Outlet Connection Type: ANSI Flange, Inlet Size: 1-1/2 in, Material - Housing: Cast Iron, Outlet Size: 1-1/2 in, Solids Handling: 1/4 in, Material - Balls: Santopre...

Price: $7128.16
Details

ARO 666250-144-C Double Diaphragm Pump

Brand: ARO, Product Type: Pump, Material - Diaphragm: PTFE/Santoprene, Application: Marine Pump/Equipment, Material - Housing: Aluminum, Solids Handling: 1/4 in, Material - Balls: Teflon/PTFE, Material - Seats: Aluminum, Max Air Inlet Pressure: 120 psi (8.3 bar), Max Flow: 172 gpm (651.1 lpm), Max F...

Price: $3170.64
Details

ARO 666250-1C9-C Double Diaphragm Pump

Brand: ARO, Product Type: Pump, Material - Diaphragm: Hytrel, Application: Marine Pump/Equipment, Material - Housing: Aluminum, Solids Handling: 1/4 in, Material - Balls: Hytrel, Material - Seats: Aluminum, Max Air Inlet Pressure: 120 psi (8.3 bar), Max Flow: 172 gpm (651.1 lpm), Max Fluid Pressure:...

Price: $2423.41
Details

ARO 666250-9C9-C Double Diaphragm Pump

Brand: ARO, Product Type: Pump, Material - Diaphragm: Hytrel, Application: Marine Pump/Equipment, Material - Housing: Aluminum, Solids Handling: 1/4 in, Material - Balls: Hytrel, Material - Seats: Hytrel, Max Air Inlet Pressure: 120 psi (8.3 bar), Max Flow: 172 gpm (651.1 lpm), Max Fluid Pressure: 1...

Price: $2299.80
Details

ARO 666250-EEB-C Double Diaphragm Pump

Brand: ARO, Product Type: Pump, Material - Diaphragm: Santoprene, Application: Marine Pump/Equipment, Inlet Size: 2 in, Material - Housing: Aluminum, Solids Handling: 1/4 in, Material - Balls: Santoprene, Material - Seats: Santoprene, Max Air Inlet Pressure: 120 psi (8.3 bar), Max Flow: 172 gpm (651...

Price: $2179.87
Details

ARO 666250-G22-C Double Diaphragm Pump

Brand: ARO, Product Type: Pump, Material - Diaphragm: Nitrile, Application: Marine Pump/Equipment, Material - Housing: Aluminum, Solids Handling: 1/4 in, Material - Balls: Nitrile, Material - Seats: Nitrile, Max Air Inlet Pressure: 120 psi (8.3 bar), Max Flow: 172 gpm (651.1 lpm), Max Fluid Pressure...

Price: $2271.20
Details