Pressure regulators enhance machinery performance

Parker Hannifin has launched a series of remote-controlled electro-pneumatic pressure regulators designed to provide flexibility, precision and energy savings in a range of manufacturing applications. The new EPP4 Comfort models have been designed to enhance the performance and reliability of machinery within the production environment, including welding, paper and printing and machine tool robots, as well as on trucks and trains for the control of adaptive suspensions.

Featuring a compact and lightweight construction, the new 1in (2.5cm) and 2in EPP4 Comfort models have been specifically developed for quick and easy installation and low inertia on moving robots. Using an integrated electronic control system and pulse-width-modulated solenoid valves, the new units control the output pressure proportionally to an analogue electrical signal, while high precision is achieved by an internal feedback through an integral pressure sensor.

As a result, control systems can be simplified through a reduced number of components, while productivity is improved through a greater degree of flexibility. The new EPP4 Comfort range provides fast response times, excellent linearity and low hysteresis of 0.5 per cent for the accurate and fast adjustment of controlled pressure, significantly increasing production efficiency. Power consumption is also low, requiring a maximum of only 6W, enabling simple integration into standard installations.

As no air is used when there is no change of control signal, energy and cost savings can be further achieved. The flexible and easily mounted EPP4 Comfort regulators feature plug-and-play functions to provide simple tools for setups and monitoring using standard PC software, enabling the user to set all the relevant parameters of the units quickly and simply, both on and off site. In addition, the remote display enables users to read the regulated pressure wherever the application requires it, while the large, high-clarity LED digits make reading faster and easier.

The EPP4 Comfort 1in and 2in pressure regulators are available for control by either a voltage or current analogue control signal, offering either analogue or digital outputs, and are adjustable to meet the specific parameters of each application. As with all Parker products, these new models are backed by the company's network of manufacturing, sales and customer support centres.

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