Water treatment is a challenging process, not just for supplying drinking water but also in terms of treating process water. 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. Key information, e.g. the current switching statuses of the pilot and process valves or errors such as cable breaks, is shown to users directly via an integrated display. Valve islands communicate via a range of common field bus protocols. If a high level of network availability has to be ensured, the media redundancy protocol 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.