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8 Cover Story Rotork : From flow control to future-maker
Valve World had the opportunity to interview Kiet Huynh , CEO of Rotork , who shares how the market-leading , global flow control solutions provider is driving sustainability through electrification , fostering innovation and creating pathways for diverse talent .
12 Column Control valve Q & A
This column examines control valve mechanics , specifically addressing parabolic valve plug slamming issues , explaining the fluid dynamics and forces involved through detailed calculations , and offering solutions such as adjusting actuator spring rates or using v-port plugs instead of parabolic ones .
15 End User Interview Advancing sealing technology for H2 and CO2 applications
William Braule , an Application Engineer for DuPont ’ s Kalrez ® business , Meyrin , Switzerland , discusses the company ’ s approach to creating sealing solutions for hydrogen and carbon dioxide applications in the valve industry .
19 Process Control Siemens updates SIPART PS2 with new features
Siemens enhances its SIPART PS2 positioner with inductive position detection and Bluetooth connectivity for improved valve monitoring and maintenance .
21 Electric Actuators Digital ecosystem optimises electric actuator performance
Modern technologies and real-time monitoring help plant operators prevent equipment failures and streamline maintenance of electric actuators in industrial settings .
25 Oxygen Valves The complexities of oxygen and clean gas valve applications
This article explores how valve manufacturers are tackling the challenges of oxygen and clean gas applications , where even the smallest oversight can have serious consequences .
29 Hydrogen Valves API 6D Annex M — Setting the standard for hydrogen valves
This article explains the new Annex M of API Specification 6D , which establishes the first comprehensive standard for hydrogen valves , introducing four specification levels with increasingly stringent requirements to address the unique challenges of hydrogen service .
33 Pressure Relief Valves
Specification of bellows balanced pressure relief valves
This article serves as a technical guide for specifying bellows balanced pressure relief valves , detailing when and why to use them instead of conventional valves , particularly for applications involving variable backpressure or challenging fluids .
4 Valve World December 2024 www . valve-world . net