New Parker air pressure regulators boost reliability in rail applications

4th April 2011
Posted By : ES Admin
New Parker air pressure regulators boost reliability in rail applications

Parker Hannifin, the global leader in motion and control technologies, has launched an innovative range of electro-pneumatic air pressure regulators specifically to provide flexibility, precision and energy savings in rail industry applications, including the control of adaptive suspensions. The new EPP3 series has been designed to enhance system performance and reliability, as well as meeting the latest European railway standards, including EN 50155, which govern electronic equipment used on rolling stock

For example, these electro-pneumatic devices are ideal for controlling the movement of each car on Pendolino tilting trains as they enter curves. In particular, the EPP3 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 new 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 particularly long and reliable operating life. Indeed, they can withstand use in the most extreme and severe conditions, even with contaminated air, and offer high performance operation at temperatures down to -40°C. The high quality electrical connection ensures reliability still further.

The new EPP3 series is manufactured by Parker Lucifer, Fluid Control Division, a pioneer, developer and manufacturer of pressure regulators and solenoid valves, and is backed by the company’s global network of manufacturing, sales and customer support centres.

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