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ARO is a leading global manufacturer of fluid handling products, expertly engineered to deliver performance and reliability

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ARO® Products

Diaphragm Pumps Group

Air Operated Double
Diaphragm Pumps

ARO air operated double diaphragm pumps can easily pump light to medium viscosity fluids. Our pneumatic diaphragm pumps provide stall-free, ice-free operation.
EXP Series Pumps Pro Series Pumps Compact Pumps Sanitary Pumps Specialty Pumps

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ARO EVO Series electric diaphragm pumps - aluminum or stainless steel

Electric Diaphragm Pumps

ARO EVO Series™ Electric Diaphragm Pumps offer a unique set of proven technologies in one breakthrough positive displacement pump.
1" EVO Series Metallic Electric Diaphragm Pump 2" EVO Series Metallic Electric Diaphragm Pump 2" EVO Series Polypropylene Electric Diaphragm Pump

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Piston Pumps Group

Piston
Pumps

ARO offers hydraulic piston pumps and pneumatic piston pumps for a variety of applications. Find the right piston pump solution for a range of viscous fluids.
2-Ball Piston Pumps 4-Ball Piston Pumps Chop-Check Piston Pumps Piston Pump Parts & Accessories See All

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Filters Regulators Lubricators FRL

Filters, Regulators &
Lubricators (FRLs)

The ARO-Flo Series FRLs raise the bar in the industry for safety, flow performance and modularity.
 
Filters Regulators Lubricators Filters-Regulators "Piggybacks" FRL Parts & Accessories

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Lubricant Equipment

Lubrication
Equipment

ARO lubrication pumps deliver unmatched industrial-strength performance and are sized to fit any container from buckets to barrels. They pump motor and gear oils, transmission fluid, and standard and industrial greases.
Oil Pumps Grease Pumps Lubrication Parts & Accessories Handheld Grease Guns Drum Accessories

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Pneumatic Valves and Cylinders

Pneumatic Valves & Cylinders

Whether it's high flow or compact design, count on ARO Valves for your application. ARO Cylinders are available in composite, round line repairable and disposable, and NFPA square interchangeable.
Pneumatic Valves Pneumatic Cylinders Pneumatic Logic Controls Specialty Pneumatic Valves 50 / E / K / H Series

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FRL Gauges

Parts &
Accessories

Exactly built and designed by ARO, Authentic ARO Parts are the only replacement parts you can count on to restore your ARO equipment to its original performance and quality, while backing up your warranty.

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ARO Peristaltic Hose Pumps

Peristaltic
Pumps

Peristaltic pumps — also known as hose pumps or tube pumps — provide a reliable and simple solution for transferring, dosing or metering a wide range of fluids, including cosmetic lotions, abrasive slurry or sodium hypochlorite.

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Featured Applications

Adhesives A

Adhesives & Sealants

When you need a quality seal or precise, consistent adhesive dispensing system, count on ARO for your application.

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Chemical Pump Applications

Chemical Processing

When your process requires the use of acids, caustics, solvents and other hazardous chemicals, we know that safety comes first.

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Manufacturing

General Manufacturing

Our comprehensive range of industrial pumps offer consistent fluid transfer for a wide variety of fluids with solids content.

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ARO lubrication pumps and packages can help you reduce costs and maximize output.

Lubrication

Our durable lubrication pumps deliver performance under pressure to dispense oils and greases accurately.

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Latest News See all News

The Flint Group, a global printing ink manufacturer, evaluated many different types of positive displacement pump technology and discovered the ARO EVO Series™ Electric Diaphragm Pump provided the reliability and efficiency they were looking for.

Electric Diaphragm Pump Case Study for Ink Transfer and Dosing Processes

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Case Study: EVO Series™ Electric Diaphragm Pump Performance in Wastewater Treatment Dewatering Application

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The EVO Series™ Electric Diaphragm Pump was placed in a manufacturing facility producing dish washing detergent, hand cleaners, disinfectants, floor cleaners, sealers for stone, tile, and grout, degreasers, glass cleaners, laundry detergents and other chemicals.

Making life better together: We are Ingersoll Rand businesses

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Making life better together: We are Ingersoll Rand businesses

ARO launches 3D CAD configurator for primary valve lines

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The new 3D CAD configurator provides immediate customized product models of 17 ARO valve families.
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