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The ARO Classic is a ½” ported air-operated double diaphragm pump designed for OEM and compact industrial applications. Combining proven reliability with a wide range of porting and material configurations to suit specific installation requirements. The pump delivers flow rates up to 49.2 litres per minute and operates at a maximum discharge pressure of 6.8 bar.
The Classic is available with centre, end, dual inlet/outlet, and swivel top manifold configurations, giving it considerable flexibility for tight or awkward installation layouts. Casing materials include polypropylene, groundable acetal, and PVDF (Kynar), and a broad choice of diaphragm materials, including Neoprene, Nitrile, Viton, PTFE, Santoprene, EPR, Polyurethane, and Hytrel, allows compatibility with a wide range of fluids.
The Classic’s motor design delivers optimum air efficiency, and ARO’s patented Unbalanced air valve ensures no-stall operation even under restricted or varying back pressure conditions. Bolted construction provides leak-free fluid handling, and modular design simplifies field servicing. It is particularly well established in printing, dispensing, and small-scale chemical transfer applications.
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The ARO Classic is a ½” ported air-operated double diaphragm pump, known as the world’s best-selling ½” ported diaphragm pump. It is designed for OEM and compact industrial applications requiring reliable small-scale fluid transfer.
Casing materials include polypropylene, groundable acetal, and PVDF (Kynar), covering a broad range of chemical compatibility requirements.
Diaphragm options include Neoprene, Nitrile, Viton, PTFE, Santoprene, EPR, Polyurethane, and Hytrel, allowing the Classic to handle fluids from clean water to aggressive solvents and chemicals.
The Classic passes soft solids up to 2.4mm in diameter.
Absolutely! If you’re unsure which pump is the best fit for your application, our team is here to help. You can pop up to our live chat for instant support, or simply send your requirements and pump details to sales@tfpumps.com. One of our experts will quickly recommend the most suitable pump for your needs.
