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8 Cover Story Forged for extremes: OHL’ s toughest and greenest valves
In this month’ s exclusive Valve World cover story, we speak with Wolfgang Röhrig, Managing Director and sole partner at OHL Gutermuth to look at how OHL has turned the humble valve into a highperformance, long-life, climate-enabling powerhouse.
12 Project Report Marubeni signs a long-term offtake agreement for green ammonia
Marubeni has signed a long-term offtake agreement with global green technology company Envision Energy Co., Ltd. for ammonia produced from renewable energy in Inner Mongolia, China.
14 End User Interview Engineering resilience: Modernising Heineken’ s largest European brewery
As Senior Maintenance Engineer at the largest Heineken brewery in Europe, Erik Smit has a deep understanding of the complexities involved in maintaining smooth operations across such an expansive site. Valve World was granted exclusive access for a behind-the-scenes tour of the site.
18 Industry Outlook Valve World Americas Retrospect
The two-day biennial expo and conference brought together industry experts, manufacturers, distributors and end users from the U. S., Canada, Europe and Asia, providing the perfect arena to explore business opportunities on an international level.
22 Severe Service From breakdown to breakthrough- Part One: Coating limitations in hydrometallurgy applications
In this two-part series, Fadila Khelfaoui and Luc Vernhes explore how valve coatings perform under the extreme conditions of hydrometallurgical processes like HPAL and POx. Part one will examine the limitations of conventional coatings and the challenges they face in severe service.
24 Clean Energy Investing in pumped storage hydro assets
The preparation of a 10-year project of refurbishment at * ENGIE’ s Dinorwig pumped storage station has begun, following an 8-year refurbishment at Ffestiniog, enabling the delivery of clean energy whenever needed.
26 Interview Introducing Instrumetrics World One of the driving forces behind Instrumetrics World is Brand Director Christian Borrmann. In a fast-paced and open interview, Mr Borrmann outlines the purpose of the new platform, indicates the benefits for the community and reveals some of Instrumetrics World’ s exciting plans for the future.
27 Community Valve associations merge
The Welding and Pressure Gas Equipment Association is joining the VDMA Industrial Valves Division- for greater visibility, stronger networks and more effective representation.
28 Case Study Boosting uptime and efficiency
In an APAC first, 11 3D printed valve trims, complete with ABJ soft seat, engineered by IMI have boosted uptime and efficiency at a Chinese power plant at substantially lower cost than a full valve replacement.
30 Fugitive Emissions At last, a global standard: ISO 12101 and the revolution in stem seal testing, Part 1
Fugitive emissions from valves, pumps, and flanges account for over 1 million metric tons of losses annually. Tackling these invisible leaks could save the industry billions while preserving valuable resources. A major lever in reducing fugitive emissions lies in the sealing system, specifically stem seals.
4 Valve World August 2025 www. valve-world. net