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Technical Absorbents
Technical Absorbents

12th November 2020, Remscheid, Germany

Oerlikon Barmag’s robust pumps for special fibres

Average lifespan of gear metering pump components in aramid applications. © Oerlikon Barmag.

At first glance, rowing boats, the Airbus 380, safety equipment and stadium roofing have very little on common, says equipment manufacturer Oerlikon Barmag. They receive their specific properties as a result of the use of special fibres, among other things: aramid fibres and carbon fibres are processed into special yarns that are frequently deployed as compound materials, the company adds. These fibres are growing in demand as the world seeks to reduce its reliance on fossil fuels. New solutions are required to reduce weight and replace heavy metallic parts, Oerlikon says.

The material makes the difference

Aramid fibres are produced in a highly chemical process that is extremely aggressive; the acrylic precursor used to manufacture carbon fibres is a different process, but again no less difficult. In these sophisticated processes, the gear metering pumps are not only responsible for the high-precision control of the melt transport; durability, resistance within aggressive environments and cost efficiency also play decisive roles, the company explains.

Pump components made from zirconium oxide ceramic are characterized by their particular lifespan. © Oerlikon Barmag.

Special materials for special tasks

The process, the expected pump lifespan and the maintenance frequency are the decisive factors for choosing the materials from which the pumps and their components are manufactured, Oerlikon Barmag says. For optimum results, Oerlikon Barmag offers solutions that intelligently combine the various materials and the latest technologies. Whether in the case of surfaces with ceramic coatings, gears and shafts featuring DLC coatings, pumps made from cobalt alloys (Stellite) or robust and durable Oerlikon Barmag hybrid constructions comprising zirconium oxide ceramic and duplex stainless steel, the high-precision ZP, and GM-series pumps are design-optimized depending on the intended use. Various seal systems and customized drive concepts round off the pump program.

With this, Oerlikon Barmag customers have technologically leading, reliable solutions for the high-precision metering of disparate media in complex processes for all applications at their disposal, Oerlikon Barmag concludes.

Oerlikon Website

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