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Simplify your actuators

Simplify your actuators
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ISSN 0934-934 X · K 30285 F VULKAN-VERLAG ESSEN / GERMANY Issue 2012/2013 http://www.industriearmaturen.de Simplify your actuators HOERBIGER Automatisierungstechnik GmbH Südliche Römerstraße 15 86972 Altenstadt, Deutschland Phone +49 (0)8861 221-0 / Fax +49 (0)8861 221-1305 E-Mail: info-haut@hoerbiger.com / www.hoerbiger.com

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Compact, autonomous electrohydraulic valve actuators Hydraulic valve actuators have an ambivalent image on the market. On the one hand, system planners and valve manufacturers welcome their power density, high rigidity and easy integration of safety functions. On the other hand, users see considerable disadvantages in their installation size, the necessary piping and attendant problems in terms of reliability and maintenance. The new electrohydraulic compact power pack developed by HOERBIGER is a valve actuator that requires no piping or additional installation effort. This family of...

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Fig. 2: A compact, self-contained valve actuator, which has an electric “look and feel”, drastically simplifies the construction, improves the reliability, and lowers the maintenance expense in the system THE SOLUTION: COMPACT ELECTROHYDRAULIC VALVE ACTUATORS THAT HAVE AN “ELECTRIC LOOK AND FEEL” A new generation overcomes these disadvantages of conventional hydraulic actuators and additionally has a compact, piping-free and modular design (Figure 1). The HOERBIGER concept is based on a hermetically sealed valve actuator, which allows for easy installation of an electric actuator and also...

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Pressure resistant casing power unit Poppet valve block base plate Emergency actuation block with nand pump Fig. 4: The modular compact power pack can be easily connected to all common actua- tors and configured for all failsafe functions (Figure 5). This guarantees leakage-free and reliable operation. In addition, the encapsulated construction protects the components inside the valve actuator from harsh environmental factors such as corrosion. The problem of internal and external leakage typi- cal of hydraulic control elements does not arise, and additionally the energy stored in the...

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Fig. 6: Reduced installation costs of valves with safety functions in power plants for fossil fuels REFERENCE EXAMPLE: SIMPLIFIED INSTALLATION IN POWER PLANTS Conventionally designed electrohydraulic valve actuators often cannot be certified according to ATEX, or only with added expense. The users of such actuators therefore install these outside the explosion-prone area. This requires the installation of extensive piping, because the medium has to be conducted to the valve out of the explosionprone atmosphere and from the valve back into the hazardous explosive area. This problem is...

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torque performance of the compact electromechanical valve drives reaches its limits. While conventional hydraulic actuator systems would solve this problem, the corrosive environment to which the hydraulic components are exposed pose a serious threat to the reliability of the valves in the medium term. The encapsulated design of the HOERBIGER valve actuator, which protects the components and the power unit, makes it possible to use the valve actuator in corrosive environments and achieve high torque. As a result, sufficient power reserves are available for the breakaway torque. Other...

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HOERBIGER Automation Technology Company name/location: HOERBIGER Automatisierungstechnik GmbH, 86972 Altenstadt, Germany Management: Norbert Gauß History: The catalyst that triggered the success story of HOERBIGER was the patent in 1894 for the steel plate valve invented by Hanns Hörbiger. Since 1972, Automation Technology has laid the technological foundation for piezo technology for smart positioners and compact hydraulic power packs for use in valve actuation. Proceeding from this technological basis, in 2009 the innovative electrohydraulic, ATEX-approved valve actuator for use in the...

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HOERBIGER We set standards Wherever we operate, we set standards with performance-defining components, system solutions, and services and thereby increase the efficiency of the capital investment in premium capital goods. HOERBIGER Automation Technology and turbomachines, is a business unit of HOERBIGER hydraulic systems and Holding AG, Zug / Switzerland. piezo technology for HOERBIGER is active throughout the vehicles and machine tools, world as a leading player in the elds as well as components and of compression technology, automation systems for shift and clutch technology and drive...

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