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Teisseire, a fruit syrup manufacturer in France, has found that utilising the Bürkert 8681 control head has completely changed how process valves at the plant are controlled and actuated, replacing direct air connections to control cabinets with intelligent fieldbus-enabled devices that increase both the reliability and efficiency of the production line.

The project scope was to introduce a new fluid control system that would accommodate third-party control valves but also provide fieldbus communications to improve the management of the production line.

The existing valve control system was approximately 15 years old and consisted of an assortment of control heads — some manual, some automated — but the wide variety of components did not interact well together and overall performance was inefficient. One of the problems stemmed from the existing air supply, which included oil mist from the compressor and was not suitable for control of hygienic valves.

Onsite automation and electrical maintenance manager M Gonin specified the Bürkert 8681 control head, which is optimised for the decentralised automation of hygienic process valves. With a decentralised automation concept, the control head has taken over all pneumatic actuation, feedback and diagnostic functions up to and including fieldbus communication.

Key benefits of product application

  • One goal was to reduce the overall maintenance stores inventory, so using just one control head type has made a significant reduction in spares.
  • The housing is easy to clean and features electrical IP protection and chemically resistant materials for use in hygienic processing in the food, beverage and pharmaceutical industries.
  • Thanks to the control head’s universal adapter, it can be combined with all normal commercial butterfly valves, ball valves and single- and double-seated valves.
  • The control head enables pneumatic control of the valve but also provides manual activation, electrical feedback, visual status indicators, fieldbus communication and position sensors.
  • By mounting the control heads directly onto the control valves, both the length and the total number of connections are reduced, making planning, installation and maintenance much simpler.
  • With shorter air lines, the switching times and overall air consumption are minimised, which enhances operational reliability.
  • Up to three switching points can be adjusted automatically by a Teach-In function. Additionally, a fourth switching position can be read in and fed back via an external inductive proximity switch.
  • The unit as a whole eradicates any risk of external contamination thanks to a hygienic and aesthetically pleasing design.
  • The useful life of the system is increased by the inductive non-contact sensor, as well as by the IP67 protection rating, pressurisation and self-ventilation of the head.

Burkert Fluid Control Systems

Burkert Fluid Control Systems has been manufacturing products and systems for over 60 years that can be used wherever fluid media and gases need to be measured, controlled and regulated.

Burkert Fluid Control Systems has been manufacturing products and systems for over 60 years that can be used wherever fluid media and gases need to be measured, controlled and regulated.Whether the application is filling, level, flow, pressure or temperature we have a solution and a uniquely comprehensive range of products to handle it, including solenoid, process and analytical valves, pneumatic actuation, sensors and controllers.

For Burkert it is not enough to simply offer individual products.Our aim is to provide complete system and application solutions that meet the specific needs of our customers.Tell us what you need and our engineers will find an appropriate solution using our vast experience and a wide range of services such as advice and engineering, installation, testing, and after-sales support.

Burkert’s global presence offers our customers an additional advantage.Products and systems are constantly developed and optimised according to international standards.Through this process synergy effects evolve which ensure technological leadership and competitive advantage

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