Valves are like the executive body in the control process. They largely determine the dynamic response and at the same time must be able to withstand high dynamic forces themselves. Article by Festo.
Just as the valves in our heart regulate blood flow, pneumatic valves in an automation system function as triggers to control the flow direction of compressed air in the system. That’s why valves need to be sturdy, durable and reliable, and aside from price—should be selected based on factors that contribute to higher productivity and process reliability.
The increasing demands placed on valve technology in recent years have led to a formidable extension of the range of available technologies and valve types, models, and properties. As such, a much wider choice of valve technology is available to successfully plan a project. Festo ensures that you are equipped with the best valves for your unique projects.
Festo has always been committed to a high standard of quality and supplies valves with up to 100 million switching cycles worldwide. Users of Festo’s attractively priced and long-lasting high-quality valves can benefit in tough everyday practical applications thanks to meticulous development processes, which include numerous simulation tests and the correct choice of technologies and materials.
What varies greatly between manufacturers is the number and variety of tests and the equipment available. Festo, for example, carries out flow tests with valve terminals fitted with their maximum equipment level, not just with single valves. This allows precise measurement of back pressures or pressure drops when several valves are actuated simultaneously. Tests in areas such as extreme temperature, control voltage or maximum pressure are also carried out as a standard. Two additional series have since been added to Festo’s existing valve range, both of which possessing very focused features.
Compact: The VUVG Series
Designed as a compact range with a high flow rate for a fast and reliable actuator response, these lightweight and space-saving range of valves and valve terminals fits perfectly into overall automation concepts, whether as an individual valve or as a valve manifold on a rail or sub base.
Thanks to the high level of flexibility and wide variety offered by the modular system, these compact valves and valve terminals meet many user requirements and cover almost 80 percent of all applications. The VUVG range of valves and valve terminals are also useful for applications where installation space, weight, flow rate and mounting considerations are important.
The VUVG range is suitable for small parts assembly and electronics where there is limited mounting, as well as for the food and packaging industry where key processes require clean working environments. It is available as an electrically or pneumatically actuated valve and can be expanded to form a valve terminal with an individual connection.
Robust: The VUVS Series
Complimentary to the compact design of the VUVG, the robust VUVS has an impeccably long service life that creates a reliable and highly functional valve system. The VUVG valve range stands out thanks to its high flow rate and elegant design. The VUVS series is a perfect example of heavy duty pneumatics and offers reliable operation, particularly when it comes to the interaction of all parts of the pneumatic system.
The VUVS range with its sturdy design combines features required for operation in harsh environments such as impact resistance, mounting options and ease of handling. An extensive range of mounting accessories provides various options for integrating these valves into various machine concepts.
The VUVS range is ideal for various industry-types, ranging from the textile manufacturing industry to the machine tool industry, that require function-optimising valves for increased effectiveness. Together, the VUVG and VUVS range of valves, coupled with the VTUG and VTUS valve terminals, cover an extensive range of industry-related functions with easy installation.
Small Differences In Your Choice Of Valves/Valve Terminals Have A Great Impact!
As a manufacturer, you have your end-goals in mind, might it be lowering total cost of ownership or increasing productivity. At the same time, you have your customers’ needs in mind as well.
As a basic principle, valves or valve terminals must meet the necessary technical requirements such as flow rate, function, available installation space, IP class etc.
Beyond that, it is worthwhile to consider the development process and the choice of materials that goes into making valves/valve terminals, the detailed and comparable manufacturer data, as well as the valve design for a given application among other characteristics. The range of services which a manufacturer can offer and the available safety margins may also be used as criteria in choosing better products.
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