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Parker Hannifin has launched the EPP3 series, which has been designed to enhance system performance and reliability, as well as meeting the latest European railway standards.

The electro-pneumatic air pressure regulator series, which includes EN 50155, governs electronic equipment used on rolling stock and is designed to provide flexibility, precision and energy savings in rail-industry applications, including the control of adaptive suspensions.

The electro-pneumatic devices are suitable for controlling the movement of each car on Pendolino tilting trains as they enter curves.

In particular, the air pressure regulators can be used for the accurate and rapid control of the pneumatic cylinders used to ensure the stable position of the car independently of each set of bogies.

Using an integrated electronic control system with pulse-width modulated solenoid valves, the EPP3 regulators control the output pressure proportionally to an analogue electric signal, achieving ultra-high precision by means of an internal feedback with an integrated pressure sensor.

Furthermore, an integrated shut-off valve ensures the safety of the installation.

In addition, these IP65-rated pressure regulators have been developed to provide a long and reliable operating life.

They can withstand use in the most extreme and severe conditions, even with contaminated air, and offer high-performance operation and temperatures down to -40C.

The high-quality electrical connection ensures reliability still further.

The EPP3 series is manufactured by Parker Lucifer, Fluid Control Division.

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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