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Parker Hannifin has developed a duplex filter system for a range of industrial applications, designed to improve both safety and filtration performance.

The new EADPF Iprotect filter incorporates the company’s hydraulic solenoid valve technology, making it possible to switch between filters remotely.

While conventional duplex filters require the main duplex valve and the equalising line to be manually operated, the EADPF Iprotect filter improves safety and efficiency by enabling remote operation.

This process can be fully automated, cutting maintenance requirements and minimising machine downtime as a result, according to Parker Hannifin.

When one filter element becomes contaminated, the built-in filter condition indicator sends a signal to the duplex valve unit, telling it to switch to the other filter with a clean element.

This enables effective filtration to continue without the need for manual intervention.

At the same time, a warning signal is provided to the local overall system controller, informing the operator that the contaminated filter element requires replacement.

Routine maintenance can then be carried out at the most convenient time.

To avoid excessive pressure peaks when putting the new, unused filter element in operation, an equalising line is automatically activated before the duplex valve is switched over.

This eliminates the risk of human error associated with carrying out this process manually, ensuring safety and avoiding damage to system components and seals, which can result in costly maintenance and downtime for vital process equipment.

The new EADPF Iprotect filter is compatible with the company’s patented filter elements and is backed by Parker Hannifin’s global supply and support network.

Parker Hannifin — Parker Sales UK

With annual sales exceeding $10bn, Parker Hannifin is the world's leading manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets.

To meet its customers' needs in motion and control, Parker provides the broadest range of products available from any single supplier. This is supported by expertise in nine major technologies:

  • Hydraulics
  • Pneumatics
  • Electromechanical
  • Filtration
  • Process control
  • Fluid and gas handling
  • Sealing and shielding
  • Climate control
  • Aerospace

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