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Reduced Energy Costs with Digital Valve Positioners

Compressed air can cost up to 8X more than electricity.  Save air, money, and energy using a digital valve positioner. 

Digital Valve Positioner

Traditional pneumatic top mount valve positioners with I/P transducers have remained a staple in the food and beverage industry for almost 70 years. The advantage has been the durability of the all mechanical system in an environment subjected to constant washdown. The downside to this device is the numerous valves and springs inside the housing and the fact that this device is designed to leak air continuously.

Digital Valve Positioner Image 1
Digital Valve Positioner2


The solution... transition from pneumatic positioner to digital positioner

The Burkert Digital Valve Positioner eliminates these air losses. The correct amount of air is injected into the 
actuator chamber so that the valve is set at the required position. 

Electronic solenoids control the air flow in and out of the actuator chamber. The firing of the solenoids is 
controlled by a sensing puck in conjunction with an internal PID controller.

Digital Valve Positioner 3


•  Pneumatic positioners bleed air continuously... digital positioners use no air once set-point has been achieved
•  Electronics enclosure is pressurized with the instrument air during modulation in order to keep moisture out
•  Adaptable to most linear actuated valves

US Digital Valve Positioner 4


Discover more on this cost saving and energy efficient alternative to old pneumatically operated positioners.

Type 8692

Digital electro-pneumatic positioner for integrated mounting on process control valves

Type 8692
  • Compact and robust stainless steel design
  • Easy start-up with automatic X-Tune function
  • Contact-free position sensor
  • Integrated pilot air duct with spring chamber aeration
  • EtherNet/IP, PROFINET, Modbus TCP, PROFIBUS DP-V1 or Bürkert system bus (büS)