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Digital upgrade: a seamless approach to convert pneumatic control valves


Upgrading pneumatic control valves with digital  Though a full digital control system redesign might be prohibitive, integrating digital positioners and process     Kieran Bennett, Industry Manager, Food & Beverage at Bürkert, explains how legacy systems can be enhanced 


Upgrading pneumatic control valves to digital communication and control can optimise precision and repeatability, as well as opening access to real-time  system could be advantageous, the initial time and cost  integrating digital positioners and process controllers  advantages without committing to a complete digital  systems as well as improve new designs involving 


To offer a seamless transition, Bürkert has introduced the SideCONTROL series of electropneumatic positioners  to virtually any existing pneumatic control valve actuator, including part-turn and linear actuators  non-standard actuators is also available, including a special adapter kit for Type 3277


Samson actuators, enabling a digital upgrade for valve strokes 


IO-Link and Ethernet  a standardised protocol for connecting sensors and actuators   two-way, high-speed communications include rapid feedback for    Digital electropneumatic positioner SideCONTROL is fast and  plug-and-play connection with IO-Link master modules, and point-to-point connectivity between the positioner and controller  Optimising the digital transition further still, real-time Ethernet-based connectivity is also available for pneumatic  Type 8793 Digital electropneumatic Process Controller, add connectivity via protocols including EtherNet/IP, PROFINET, Modbus  These advantages typically require an Ethernet gateway in 


Industry 4.0 advantages  not only improves valve control precision, but it also enhances  analysis can improve process quality, as well as optimising  achieved, aided by built-in functions within the positioners and controllers, enabling proactive maintenance that can reduce     valve tuning by optimising the valve’s response time, stability, and accuracy by automatically adjusting the control parameters for   Bürkert’s SideCONTROL series provides a cost-effective solution


 By integrating IO-Link or Ethernet-based connectivity, manufacturers can embrace many of the advantages of digital  


Bürkert Fluid Control Systems https://www.burkert.com/


34 OCTOBER 2025 | PROCESS & CONTROL


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