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Seal-less, self-priming pumps make for minimal maintenance

Home Manufacturing & Processing Chemicals Seal-less, self-priming pumps make for minimal maintenance

BMG’s Ingersoll Rand ARO fluid handling products are engineered to deliver high performance and serviceability, enabling users to achieve the best cost of ownership.

That’s according to Joe Pinheiro, BMG’s National Product Manager, Pumps, who said a key product in this range is the ARO Pro series of air-operated diaphragm pumps, which have been designed to pump virtually any type of liquid – from clean, light to medium viscosity fluids, to highly corrosive and abrasive fluids.

“ARO pumps can also transfer large particles without damaging the pump. This range is suitable for general industrial and OEM installation applications in diverse industries, including chemical and petrochemical, manufacturing, energy, pharmaceutical, mining, oil and gas and water and wastewater sectors,” Pinheiro said.

“Notable features include a seal-less, self-priming design, with low material shear and minimal maintenance requirements. These portable pumps are easy-to-install and can run dry without damage.”

Most ARO diaphragm pumps are ATEX certified (CE Ex11 2GD X) enabling safe use in potentially explosive areas. This feature makes the ARO pumps ideal for underground applications, such as dewatering, he said.

ARO Pro series air-operated diaphragm pump air motors, which are lubrication-free, have positive sealing characteristics and make use of a specially designed unbalanced air valve to prevent stalling issues associated with operation at low pressures. Exhaust valves divert cold air away from components that are prone to ice build-up.

ARO pumps allow users to vary the flow outlet and discharge pressure as low as 1 litre per minute, up to 1 040 litres per minute for larger sizes and to adjust fluid pressure up to 123 psi (8.5 bar) by using an air filter/regulator and a needle valve.

Metallic and non-metallic air-operated diaphragm pumps are available from BMG in various materials and porting configurations to suit numerous applications, including transfer, loading/unloading/filling, re-circulation, system flushing and batching/blending in many industries.

 ARO metallic diaphragm pumps are manufactured in Aluminium, Stainless Steel, Cast Iron and Hastelloy, while non-metallic units are available in Polypropylene, Acetal and PVDF. A full range of internal materials, such as Nitrile, Santoprene, PTFE, Hytrel and Neoprene are also offered.

A range of speciality pumps is also available from BMG, including Stainless Steel sanitary pumps (FDA approved), 3:1 highpressure pumps, submersible diaphragm pumps, air driven submersible pumps, anti-freeze blending pumps and UL-approved fuel transfer pumps.

BMG supports this range with a technical advisory service to ensure the selection of the most suitable pump for every application. The company also supplies a full range of ARO diaphragm pump parts and accessories for standard repair and maintenance requirements.

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