The TopWorx™ DXS is a 316 stainless steel valve controller that combines bus networking, pilot valve, and position sensors into a single globally certified, explosion proof enclosure that attaches to any automated valve package.


D-Series discrete valve controllers can survive in virtually any plant condition. Its corrosion resistance and heavy-duty construction enables superior performance in the most demanding applications. These controllers carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize operations across their facilities. D-Series controllers also carries NEPSI, KOSHA, InMetro, PESO, and EAC and EAC certifications.


Engineered with Emerson’s GO Switch sensing technology, their D-Series line delivers best-in-class capabilities. TopWorx GO Switches are hermetically sealed to outperform all other position sensors in hot, cold, wet, dirty, abusive, corrosive, and explosive conditions. Its unique cam design allows quick and accurate setting of the GO Switch positions reducing deadband and hysteresis to a minimum.

DXS specs include:

  • 316 Stainless Steel
  • Flameproof/Explosion Proof/Intrinsically Safe
  • Class I, Div 1 & 2
  • Class II, Div 1 & 2
  • Ex ia IIC T6/T4
  • Ex d IIB+H2 or IIC T6/T5/T4/T3 Tamb -60°C to +175°C
  • Ex tb IIIC T135°C Tamb -50°C to + 92°C
  • II2GD, IP66/67, Type 4X

Contact us to learn more about Emerson’s TopWorx DXS and see if it’s a fit for your application.

*Content provided by Emerson.com/TopWorx

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