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Actuation Valve

Although the Emerson FieldQ actuator is no longer in production, many facilities still rely on this compact, modular solution for valve automation. Designed as an all-in-one unit with integrated actuator, positioner, and feedback, FieldQ became a trusted choice in sectors like oil & gas, petrochemicals, and general industrial process control.Now classified as obsolete, FieldQ is no longer offered by Emerson, who have instead transitioned their focus to more advanced actuator technologies such as Hytork and Elomatic. These newer ranges offer greater flexibility, diagnostics, and compatibility with today’s plant control systems.

Key features and benefits of Field Q Actuators.

Key Features

The FieldQ combined actuator, positioner, solenoid valve, and feedback into a single compact unit—reducing installation time, wiring complexity, and control cabinet requirements.

Key Features

Its modular architecture allowed easy adaptation to specific applications. Users could configure functions like manual override, local controls, and network protocols without replacing the entire unit.

Key Features

FieldQ featured built-in diagnostics for real-time performance monitoring, enabling predictive maintenance and minimising unplanned downtime across automated valve systems.

Recommended Replacements for FieldQ Actuators

With the FieldQ range now discontinued, Emerson recommends transitioning to either the Hytork or Elomatic actuator series—both offering enhanced performance, modern control options, and long-term support. These ranges are well-suited for replacing FieldQ units in both new and retrofit applications, with options available for direct mounting or adaptation.

Explore the links below to learn more about each solution and find the best fit for your process requirements.

The Hytork XL Rack and Pinion Pneumatic Actuators deliver dependable, high-performance valve automation in a compact, cost-efficient form. Built with a robust, heavy-duty aluminium body, the actuator is well-protected against impacts, abrasion, and harsh process environments. Its modular construction also enables simple, on-site conversion and adaptation to different applications.

Function:	Spring Return, Double Acting
Body Material:	Powder Coated LM25 Aluminium Casting
Rotation:	90°
Torque Levels:	19-3232NM, (167 to 28500 lbf.in)
Operating Media:	Dry/Lubricated Air, Inert/Non-Corrosive Gases
Pressure Rating:	Max 8.3 Bar-Pneumatic/120 PSI
Certifications:	ATEX, PED, Machine Directive, TR010, SIL

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Elomatic provides reliable pneumatic actuators paired with precision-engineered valves to form robust actuated valve assemblies. The F-Series rack and pinion actuators are available in both spring return and double-acting configurations, offering flexible, modular solutions to suit various budgets and application requirements. A durable powder-coated finish enhances protection against corrosion and harsh environmental conditions.

Function:	Spring Return, Double Acting
Body Material:	Powder Coated Cast Aluminium
Rotation:	90°
Torque Levels:	12-4100NM, (106 to 36474 lbf.in)
Operating Media:	Dry/Lubricated Air, Inert/Non-Corrosive Gases
Pressure Rating:	Max 8.3 Bar-Pneumatic/120 PSI
Certifications:	ATEX, PED, Machine Directive, TR010, SIL3

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Certificates

Datasheets

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Datasheets

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Datasheets

No, Emerson has officially discontinued the FieldQ actuator range. It is no longer in production or sold as a new product.

Emerson phased out the FieldQ to focus on newer, more advanced actuator platforms like Hytork and Elomatic, which offer better diagnostics, flexibility, and integration with modern control systems.

Yes, while limited, some FieldQ spare parts may still be available. Contact our team for current stock availability and advice on compatible replacements.

Emerson recommends either the Hytork or Elomatic actuator ranges as modern replacements for FieldQ, depending on your specific application and mounting setup.

Not necessarily. In many cases, we can supply mounting kits or adapters to allow a Hytork or Elomatic actuator to fit directly onto your existing valve.

Yes. Both Hytork and Elomatic ranges offer models suitable for hazardous area installations, including ATEX-rated options for Zone 1 and Zone 2 environments.

Yes, retrofitting is often possible and can be straightforward with the right coupling and mounting configuration. We can help you assess your setup and supply the correct hardware.

Yes. The newer Hytork and Elomatic actuators support advanced diagnostics, limit switch feedback, and fieldbus protocols, depending on the model.

Not always. In many cases, wiring adjustments are minimal. Our team can help assess your current setup and advise on control compatibility or retrofit options.

FieldQ actuators were known for their reliability, with many units lasting 10+ years in service depending on the environment and maintenance.

Yes, we offer technical guidance, spare part identification, and replacement recommendations for sites still using FieldQ equipment.

Right here. We provide expert support, replacement actuators, spare parts, and retrofit solutions to ensure your plant remains efficient and operational.