Stonel™ product and service offering

Stonel™ Axiom™ on/off valve controller for rotary applications

Rugged and flexible with non-contact drive system, solid state sensors with push-button calibration, integrated pneumatics with rebreather, and optional wireless diagnostics.

Stonel™ Prism™ intelligent valve controller for linear applications

Low profile for heavy washdown and hazardous environments. Non-contact drive system, solid state sensors with push-button calibration. Integrated pneumatics and wireless diagnostics optional.

Stonel™ Eclipse™ compact limit switch for rotary applications

Low profile for heavy washdown, non-incendive and intrinsically safe environments. Non-contact drive system, solid state sensors with push-button calibration, and optional wireless diagnostics.

Stonel™ Quartz™ limit switch for rotary applications

Various switch, sensor, and communication options with touch and tune switch settings to make adjustments in seconds and monitor automated on/off valves in all process areas.

Stonel™ Hawkeye™ explosionproof limit switch for point sensing

Solid state proximity sensors in shock absorbent urethane potting material for explosionproof applications housed in stainless steel enclosure for harsh process environments.

Stonel™ Hawkeye™ limit switch for point sensing

For nonincendive applications and intrinsically safe circuits in hazardous areas it triggers on any metal at distances up to 4-6 mm with bright LEDs that display switch status.

Stonel™ stand alone visual indicator

Readily adapts to most quarter-turn actuators and offers high visibility for positive confirmation of automated valve systems. Tolerant to most corrosives.

Stonel™ Junction module (JX) networking enclosures

Single-drop units suitable for use in corrosive process environments with hard conduit or flexible wiring systems and preinstalled with many fieldbus communication capabilities.

Stonel™ FieldBlock (FN) networking enclosures

Six-drop units with a variety of configurations to interconnect field devices to the fieldbus communication network in nonincendive, intrinsically safe, and general purpose applications.

Stonel™ FieldLink™ FieldRack

Designed for a multitude of wiring systems in general purpose and nonincendive process applications. Rugged, corrosion proof enclosure with variety of uses.

Drop connectors

Drop connectors offer a variety of switching and protection options providing improved reliability, enhanced safety and increased network maintainability.

I/O modules

I/O modules interface discrete and analog conventional devices into communication networks in the field. Several configurations for field-based interfaces. (Available in Field Enclosures)

Masters/Gateways

Devices control communication networks and offer many options for interfacing with your control architecture.

Power supplies

General purpose or nonincendive rated for hazardous areas, they offer signal conditioning circuits and short circuit protection for powering up networks

Accessories

Network accessories including repeaters, tuners, terminators, addressing units and other devices to complement your installation.

Cable

Communications cable for fieldbus networks.

Stonel™ Axiom™ AX Explosionproof valve controller

Mar 4, 2021

Discontinued product. Superseded by Stonel Axiom ANX models and mounting.

Stonel™ Axiom™ AMI on-off valve controller

Mar 5, 2021

Discontinued product. Superseded by Stonel Axiom AN models and mounting.

Technical information

Approvals - Stonel products

Frequently Asked Questions

Model selection guide

Protocols

Quick reference

Remote access with Stonel™ Wireless Link app

Downloadables

Neles NDX product family is expanding

Feb 27, 2025

Among others, the key benefits are robustness with fully contactless position measurement, low energy and air consumption, increased pneumatics capacity, and excellent dynamic and static control performance. In addition, Neles NDX is designed to fit all types of control valves: small and big; rotary and linear; single and double acting. Simple and fast installation and calibration with easily accessible device diagnostics offer a great user experience and tools for predictive maintenance.

Valmet introduces IO-Link technology into Stonel valve communication and control products

Jan 9, 2025

Valmet is pleased to announce the introduction of IO-Link technology into our Stonel™ valve communication and control products. IO-Link provides a communications network for easily deploying and utilizing advanced diagnostics from Stonel devices.

Neles NDX valve controller reaches wider global acceptance with availability of North American certifications

Aug 14, 2024

There are many advantages to the Neles NDX valve controller and most recently there has been much excitement about the North American approvals and the energy savings realized from the reduced air consumption. We asked Mark Buzzell, Director of Valve Controls and Actuators for North America to share his insights about the product.

Your valve automation partner of choice in Europe

Apr 15, 2024

Successful actuator sizing and instrumentation engineering according to customer specification takes time and resources. Trust is essential when relying on a 3rd party to automate your valve. When do you know you can proceed with confidence in the partner you have chosen?

Future-proofing valve control

Jan 22, 2024

New distributed control systems (DCSs) reduce operating expenses in a range of cement production processes, including the operation and maintenance costs of valves. Valmet explains the importance of DCSs and highlights advances in valve and pump technology

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.

A formula for safety in pharmaceutical industry processes

Mar 8, 2022

Safety, timeliness, and consistency are essential ingredients for creating quality products. But what impact do these concerns have on your process environment? Manufacturing reliable products and sustaining an efficient, hygienic process are vital components of your plant operation.

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.