Valve controllers

Neles™ NDX valve controller

Neles NDX valve controller provides a solution for all valve brands in a wide range of applications regardless of customer or industry. The product delivers all the robustness and reliability you’d expect from a valve controller by Neles. At the same time it is extremely easy to install and use. NDX offers savings in air consumption and, consequently, energy efficiency.

Neles™ ND9000 valve controller

Neles ND9000 is designed to operate on every control valve actuator and in all industry areas. ND9000 is a smart, reliable and future-proof positioner with life-time support. Its superior design features and unique diagnostics provide a solid foundation for performance optimization and proactive maintenance.

Neles™ ND7000 valve controller

Neles ND7000 is designed to operate on every control valve actuator and in all industry areas. ND7000 is a smart, reliable and future-proof positioner with life-time support. Its superior design features provide a solid foundation for performance optimization.

Neles™ ValvGuard™ VG9000 safety solenoid

Neles ValvGuard is a top class intelligent safety solenoid with partial stroke testing features for emergency shutdown and venting valves. Based on the automatic PST and other diagnostics data, VG9000 increases safety and plant safety targets can be reached more economically than with other solutions.

Neles™ SwitchGuard™ SG9000

Neles SwitchGuard is a top class intelligent on/off valve controller designed to operate on any valve actuator. Large pneumatics capacity and embedded diagnostic features enable users to guarantee the availability of their switching and high cycling valves in demanding processes.

Stonel™ Prism™ PI limit switch for linear applications

The Stonel Prism PI integrates an advanced position sensing system and integral pneumatic control for sanitary diaphragm and other linear applications. Compact and durable, the PI is suited for corrosive, heavy washdown and hazardous areas.

Stonel™ Axiom™ AN/ANX on/off valve controller

The Stonel Axiom AN / ANX offers unmatched reliability using non-contact position sensing with solid state electronics and contaminant-tolerant pneumatic control. Coupled with its space-efficient design, corrosion resistance and networking/wireless link capability, it offers unrivaled convenience and cost-saving benefits in hazardous and general purpose process applications.

Neles™ NE700/NP700 positioner

Neles NE700/NP700 positioners are designed to operate on every control valve actuator and in all industry areas. They offer a rugged construction with few parts. A small moving mass and rigid mounting provide excellent resistance to vibration. NE700/NP700 positioners provide excellent repeatability and accuracy, with either rotary or linear control valves in a wide range of applications.

Valve software

Digital tools for valve sizing, selection, drawing, support, and PID tuning

Stonel™ Axiom™ AX Explosionproof valve controller

Discontinued product. Replacement product is Stonel Axiom ANX valve controller.

Stonel™ Axiom™ AMI on-off valve controller

Discontinued product. Replacement product is Stonel Axiom AN valve controller.

Ethernet-APL advancements for field devices in process automation

Oct 18, 2023

Processes in the most hazardous areas have long been limited to individual discrete/analog sensors or to fieldbuses that are too expensive, complex, and slow. We sat down with Valmet expert Tomasz Jarzabek to discuss what this means at Valmet when it comes to technology development with APL.

What's new in the latest version of Stonel on/off valve controller?

Nov 9, 2021

Want to know the benefits of the latest version of Stonel™ Axiom on/off valve controller? Read the Q&A to find out more about the valve diagnostics and safety aspects.

Finding the benefits of unified valve automation

Jun 15, 2021

The benefits that come from selecting Valmet valve automation components for your automated valves makes perfect sense. Our devices deliver safe and reliable performance, they provide a competitive total cost of ownership (TCO) across their entire lifecycle.

Valve controller usability saves money and time, while improving safety and reliability

Jul 26, 2016

At a plant, the usability of a valve controller plays a major role in a number of situations. Whether you need to install a valve controller on actuators in volume production, quickly replace one in real field conditions or interpret its diagnostic information – simplicity is highly beneficial.

Upgrading FCC-unit valve controllers without disruption

Jan 4, 2016

In the fluid catalytic cracking (FCC) unit of a large refinery built in the 1940s in the US, a variety of control valve types and brands, along with their proprietary valve controllers, had been installed over the years. This had led to production inconsistency and disruption. The unit wanted to have one type of controller with multiple bracket designs to fit the wide variety of valves in the plant.

Using digitalization to boost efficiency

Nov 24, 2016

As a valve manufacturer, Neles’ goal is to meet the customer’s current and future expectations. Those expectations, are often focused on getting the maximum availability out of their valves and systems. That’s why Neles can supply not just products, such as control valves, actuators and positioners, but also a whole suite of related services.