Electropneumatic Automation System – AirLINE Ex – Type 8650

by Bürkert Fluid Control Systems

  • For use in potentially explosive areas (Zone 1/21)
  • Developed in cooperation with Siemens
  • Electrical connection via PROFIBUS® DP-is, electrical I/O functions via Siemens SIMATIC ET 200 iSP™ module
  • NEW REV.2 makes new integrable functions like pressure sensor or pressure switch possible
  • Electropneumatic automation systems with IP65 protection class
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Electropneumatic Automation System – AirLINE Ex – Type 8650

  • Electropneumatic automation system – AirLINE Ex Type 8650 is a modular electrical and pneumatic automation system that controls complex processes in potentially explosive areas (Zones 1/21).
  • The protection class “intinsically safe” (Ex i) of electronic modules and valves allows modules to be replaced during operation.
  • With the modules of the cooperation partner Siemens, Bürkert offers electrical, analogue and digital I/O functions for use in Zone 0.

Key features

  • Versatile pneumatic control in hazardous areas, extensive diagnostic functions integrated.
  • Max. number of valve positions: 16
  • Valve versions: 3/ 2-, 5/ 2- and 5/ 3-way
  • Max. number of valve functions: 32
  • Electronic communication interfaces: Profibus DP, Profinet I/ O, Ethernet I /P, Modbus TCP, EtherCAT, CC-Link, CANopen, büS (Bürkert system bus)
  • Temperature range: 0 to +60 °C
  • Protection class: IP30
  • Approvals: ATEX Zone 1/21, IEC-Ex Zone 1/21


  • Hydrogen production – Electrolyser
  • Hydrogen use – Stationary fuel cells, Mobile fuel cells
  • Hydrogen test benches – Industrialization, Scale up
  • Hydrogen infrastructure

Contact us

  • With more than 25 years of experience in the hydrogen industry, we know what matters when it comes to controlling gases and liquids. Interested? Feel free to contact us via the vendor form.
Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Electronic Control Interface

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Ingress Protection Rating


Technical Datasheet: Electropneumatic Automation Systems - AirLINE Ex

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      Bürkert Fluid Control Systems

      Innovative fluidic solutions for a clean future with hydrogen

      Bürkert offers the right fluidic solutions for the complete hydrogen value chain. Bürkert approved products ensure high safety, the highest possible output and low-maintenance operation - today and in the future.

      In addition to valves, sensors, and automation, Bürkert is also a reliable partner when it comes to customised and tailor-made solutions. With more than 20 years of experience in the hydrogen industry, they know what matters. Together with you, Bürkert will find the best and most efficient solution for your fluidics challenges.

      In doing so, Bürkert is your partner, from development to large-scale production - for a quick time-to-market and long-term market success.

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