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Water treatment is a challenging process, not just for supplying drinking water but also in terms of treating process water in food and beverage, pharmaceutical and cosmetic industries.

For application in filtration processes, such as ion exchange or reverse osmosis, Bürkert Fluid Control Systems has developed valve islands that set new standards with regard to operational and process reliability.

The valve islands AirLINE (Type 8652) and AirLINE SP (Type 8647) offer numerous adjustable monitoring and diagnostic functions, which improve system availability and process reliability, while at the same time enabling preventive maintenance.

Important visual notifications are shown directly to users on an integrated display, including current switching statuses of the pilot and process valves, and errors such as cable breaks.

Valve islands communicate via a range of common field bus protocols like EtherNet/IP, Profinet IO and Profibus DP.

If a high level of network availability has to be ensured, the Media Redundancy Protocol (MRP) from Profinet IO can be used.

An increased level of system availability is additionally guaranteed by up to 64 hot-swap capable valves per island, which can be replaced during live operation without shutting down the system.

As an additional safety function, check valves are used in the exhaust channel. They prevent the unwanted activation of valves by pressure peaks in the exhaust channel. All these functions ensure high process reliability.


Valve island as an electro-pneumatic automation system

Within the context of Industry 4.0, valve islands are increasingly becoming electro-pneumatic automation systems.

AirLINE SP valve island from Bürkert, which is fully integrated in the distributed I/O system, is perfectly matched to the connection of the distributed Siemens peripheral systems SIMATIC ET 200SP and SIMATIC ET 200SP HA.

Benefits:

  • Process reliability in plant
  • Support of all SIMATIC ET 200SP and SIMATIC ET 200SP HA functions
  • Integrated check valves: avoidance of unwanted valve switching, like those caused by uncontrolled pressure peaks
  • Ring topology with MRP is supported: avoidance of complete failure in case a single device/communication participant fails thanks to redundancy
  • Integrated safety functionality: in combination with Siemens modules, the valve island can solve automation tasks in a fail-safe manner

Whether standard IO-modules or to control actuators via digital/analogue output modules, everything is combined in a compact, powerful automation system.

Bürkert valve islands are tried and tested to be a reliable addition to your water treatment processes.

This partner content was brought to you by Bürkert Fluid Control Systems. For more information, visit www.burkert.com.au/en

Charlotte Pordage is Editor of Utility magazine, a position she has held since November 2018. She joined the team as an Associate Editor in October 2017, after sharpening her writing and editing skills across a range of print and digital publications. Charlotte graduated from Royal Holloway, University of London, in 2011 with joint honours in English and Latin. When she's not putting together Australia's only dedicated utility magazine, she can usually be found riding her horse or curled up with a good book.

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