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.

Butterfly valves offering

Neles™ butterfly valves

Neles metal-seated 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.

Jamesbury™ butterfly valves

The combination of a unique off-center disc, proprietary seat design, Xtreme™ sealing technology, and other features make our Wafer-Sphere™ high-performance butterfly valve a tight-sealing, long-lasting, yet lighter and lower-cost alternative to gate valves and other heavier rotary-type designs.

EasyFlow by Neles™ butterfly valves

Easyflow by Neles JA series concentric disc resilient seated butterfly valves are suitable for a wide range of applications in manual or automated on/off through throttling control services. Although compact and lightweight, the JA series is designed to be rugged, reliable, and to comply with a variety of global industry standards.

Read more about butterfly valves and success stories

40 years of butterfly valve performance

The evolution from an idea to a successful product family that can stand the test of time requires both dedication and persistence. It all starts with a challenge and innovative thinking. The most important ingredient, however, is determined people who are willing to invest time and systematic hard work into overcoming all obstacles along the long road to sustainable success. There are no shortcuts. Just hard work. The evolution of the Neles butterfly valve Neldisc™ product family is no different

Butterfly valve installed, problem solved - Reducing Dow’s operational costs under extreme process conditions

The Dow Chemical Company has been operating in Stade, Germany for more than 40 years. Nearly three million tons of basic and specialty chemicals are manufactured per year in this ultramodern integrated plant complex, placing high availability and safety demands on all components. That’s why Dow has installed a custom-designed butterfly valve, developed by Neles, to reliably shut off the DME reactor in Stade.

How to improve turbine efficiency

In the power and gas turbine market, competition among turbine and compressor manufacturers has become more challenging. Decisions are driven mainly by price and efficiency. Saving costs by selecting the correct application-based control and safety valves has become more important. New valve technologies and new valve designs help increase turbine efficiency and reduce costs while improving safety, for example, by installing a faster pressure relief in the case of a trip in a compressor or a gas turbine compressor.