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Shut-off valves certified for hydrogen use

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Author: Michael Heeg

Date: 29. Mar. 2023

Shut-off valves certified for hydrogen use

Bureau Veritas Italia has certified Emerson’s BM6X series slam-shut valves for use in hydrogen applications. The certification of the slam-shut valves is valid for applications with up to 100 % hydrogen at a pressure of up to 100 bar.

It was achieved as a result of the commitment of Emerson and Bureau Veritas Italia to ensure suitable products are available for use in new hydrogen infrastructure. The certification granted to the Emerson BM6X Series Slam-Shut valve confirms the verification of material suitability. It is based on internal and external seal tests performed at the Emerson production plant in Castel Maggiore (Bologna/Italy).

More energy independence and fewer CO2 emissions

Emerson is working with its customers to develop a hydrogen ecosystem. Starting with research and innovation, and scaling up production and transportation. These efforts are an important focus of the EU’s strategy on hydrogen, adopted in 2020, and of similar efforts in other countries worldwide.

“This procedure supports the certification of products ready to be used in the hydrogen field, and it provides a suitable tool for the concrete implementation of the European plans for energy independence and reduction of CO2 emissions. The collaboration between Emerson and Bureau Veritas demonstrates a concrete commitment to offer suitable and safe products for natural gas distribution networks,” says Giuseppe Signoretta, Hydrogen Technical Manager, Bureau Veritas.

Further hydrogen certifications to follow

To ensure product quality, safety and conformity, Emerson is collaborating with the testing and certification agency Bureau Veritas Italia. The company has developed internal procedures to assess the suitability of products to be used in gas infrastructure applications.

“The Emerson procedures describe the requirements, tests, and inspection methods for metallic and non-metallic materials, as well as internal and external sealing necessary to use pressure control products in contact with natural gas and blended hydrogen, or pure hydrogen.


After the first certification obtained for the Emerson BM6X Series Slam-Shut valve, Emerson will continue to certify other equipment used in hydrogen infrastructure to ensure sustainability and reliability for this rapidly developing market,” said Oscar Bressan, standardisation and product engineer with Emerson’s pressure management research and development team.

Shut-off valves for gas transport networks

The Emerson BM6X Series Slam-Shut valve has multiple applications throughout gas transmission networks, regulating stations, and end use infrastructure.

For example, natural gas transmission and distribution companies can blend hydrogen into their distribution systems. Reducing emissions when the blended mixture of hydrogen and natural gas is burned in homes for cooking, heating and other uses.

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