TopWorx delivers “control without compromise” by providing the absolute standard of excellence in valve control, position sensing, and field networking.

Our mission is to enable plants, platforms, and pipelines to manage and control operations more intelligently and efficiently under the most demanding and extreme conditions.

Valvetop® discrete valve controllers enable automated on/off valves to communicate via FOUNDATION Fieldbus, Profibus, DeviceNet, and AS-Interface. They attach to all brands of rotary and linear valves and actuators, operate in the most demanding plant conditions, and carry a variety of global certifications. View products

GO® Switch leverless limit switches have set the standard for reliable position sensing in the most demanding applications, including extremely hot, cold, wet, dirty, abusive, corrosive, and explosive plant conditions. Using a unique hybrid technology that eliminates wear and tear, GO Switches last longer and outperform other sensors in the most extreme environments. View products

The ValveTop™ product line includes:

  • Discrete valve controllers
  • Discrete valve monitors
  • Sensor-communications modules
  • Puck position sensors
  • Linear valve monitors and sensors
  • Mounting kits

Best-in-class capabilities:

  • Aluminum, Composite Resin, 316 Stainless Enclosures
  • EEx d IIC, EEx me, EEx ia Certifications
  • ESD/Partial Stroke Testing Solutions
  • MTBF/SIL-3 Ratings
  • FOUNDATION Fieldbus, DeviceNet, AS-Interface, Profibus, HART
  • GO Switch, SPDT, DPDT, 4-20mA
  • Aluminum and 316 Stainless Integral Solenoid Valves
  • Single and Dual Coil, High Flow, Low Power

Product Offerings



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