ARO Piston Pumps & Complete Pump Packages

Handle Your Most Demanding Fluid Challenges

Working with high-viscosity fluid handling? From adhesives, sealants, and mastics to heavy greases, paints, and industrial coatings, fluid transfer and dispensing applications demand reliable, consistent performance. Inconsistent flow rates, downtime, or incompatible pump systems can cost you time, money, and product quality.

That’s where ARO piston pumps come in. Engineered for demanding fluid handling, they deliver smooth, consistent flow 24/7—even with the thickest, most abrasive materials. With options for high pressure, high volume, precise dispensing, and smooth extrusion, ARO pumps keep your production running reliably, minimize downtime, and reduce maintenance.

Versatile Piston Pumps for Every Fluid Handling Application

• Transfer – Reliably move low- to medium-viscosity fluids such as oils, coatings, paints, and chemicals with consistent flow rates.
• Extrusion – Apply medium- to high-viscosity materials with controlled pressure and smooth operation, ensuring precise, repeatable extrusion.
• Coating – Achieve uniform application through spray or dipping, maintaining consistent pressure for flawless finishes across surfaces of any size.
• Measuring & Dispensing – Deliver accurate, repeatable fluid quantities every cycle, enabling precise metering for adhesives, sealants, and other high-viscosity materials.

Optimize Your Complete Pumping System

Maximize performance and reliability with ARO’s comprehensive, ready-to-install pumping packages. Choose from a range of configuration options to match your application needs:

• Fluid pressure regulators
• Manual and automatic dispense valves
• Follower plates and material hoses
• Single-post and two-post rams
• Wall mounts, floor mounts, and adapters
• Low-level cutoff and crossover controls

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Why Manufacturers Choose ARO Piston Pumps

Wide Fluid Compatibility – Handles viscosities up to 1,000,000 cPs for thick, abrasive, or hard-to-shear materials.

Best-in-Class Displacement – 6-inch stroke delivers superior flow per cycle, higher output, and less component wear.

Extended Service Life with Abrasive Fluids – Ceramic-coated plunger rods and cylinder tubes last up to 2× longer under abrasive conditions.

Rapid Serviceability – Accessible plungers and adjustable packings with wave spring design simplify maintenance; convenient service kits include all parts for fast repairs.

Complete Package Flexibility – Single-post, two-post, and heavy-duty configurations, with multiple pressure ratios (5:1 to 85:1) and adjustable flow rates, can be tailored to your application.

Ready-to-Install Systems – Pre-configured packages include air motor, pump, mount, follower, controls, and accessories for quick, plug-and-play installation.

Need guidance beyond standard configurations?

Whether your process involves paint and coating pumps, adhesives and sealant pumps, or systems requiring dependable lubrication pumps, ARO high-performance piston pump provide the reliability manufacturers need to stay productive.

To ensure those pumps are matched perfectly to your process, our technical support team reviews your complete application requirements and provides tailored recommendations. Contact us today — no application challenge is too complex for the ARO team.