Automated on-off valves

Intelligent, reliable on-off Neles valve solutions for general and high-cycle applications will help to reduce the life-cycle costs. Our valve solutions provide long lasting tight shut-off with fast and safe operation together with reduced fugitive emissions. Neles shut-off valves combined with intelligent valve controllers provide diagnostic capabilities and increase plant safety.

Over 60 years of experience in demanding valve applications

Maximize your process reliability with Neles on-off valves

Long-lasting tightness ensures trouble-free production

On-off valve product offering

Butterfly valves

Neles™ butterfly valves are designed to truly optimize the efficiency of process operations by offering best-in-class valve capacity. They provide long-lasting tightness and industry-leading valve reliability, certified to SIL 3. Our product range includes both metal and soft-seated and rubber-lined butterfly valves.

Ball valves

Neles ball valves are designed to meet the requirements of the process industries with improved process safety and efficiency. Our proven technology in design, materials and coatings enhance process reliability in the most demanding shut-off and control applications. For control applications our ball valves provide famous Q-trim™ technology for noise attenuation and cavitation prevention. A wide range of product certifications include fugitive emission, fire-safe and SIL 3.

Segment valves

New Neles segmented ball valve for on-off applications combines the material efficient control valve design with the high capacity and proven performance of Neles on-off valve seating technology. Standard units are equipped with cylinder or manual actuators and intelligent on-off valve controllers to ensure excellent and reliable isolating performance

Limit switches

Improve process performance and reduce total life-cycle costs by integrating your automated valves. Neles limit switches offer a full range of monitoring, communication, and control platforms ideally suited for quarter-turn and linear discrete valve applications even in extreme process environments.

Valve controllers

High availability and easy interpretation are the key success factors in effective field device data analysis. Neles valve controllers support standardized technologies and ensure the availability and usability of diagnostics information independent of your control, safety or asset management system.

Pneumatic actuators

Neles™ double acting and spring return quarter-turn actuators are designed for use both in modulating control and on-off service. These actuators offer an extremely long cycle life and are well suited for almost any type of rotary valve.

Manual actuators

The Neles™ quarter-turn manual gear actuators has been engineered to meet the requirements of demanding industrial environments. Rugged construction and high performance axial bearings enables smooth and accurate operation.

Valve sizing and selection software

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

Read more about on-off valves and featured customer cases

Suzano advances towards Industry 4.0

The Imperatriz Unit in Maranhão has adopted a solution that predicts faults in high criticality processes and reduces downtime for automatic on-off type valves.

Advanced metathesis unit valves support reliable propylene production

Metathesis is one of the most common propylene production methods, but it can only be profitable if the production unit is reliable. So how do you ensure the reliability of your metathesis unit? For one thing, it means a unit supported with top-quality valves specifically selected for their purpose.

Making a big difference to ethylene project engineering

As demand for ethylene rises, so does the need for valve solutions that offer maximum reliability, safety and performance. After safety, uptime is a major determinant of whether an ethylene plant can be sustainably profitable in an increasingly competitive global market.