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One of the planet’s most elusive and challenging gases to contain is gaseous helium. It has various industrial uses and is essential as a process gas because it is the second-lightest gas after hydrogen.
In order to increase the natural gas’s thermal energy, it is common practice to remove nitrogen, water vapour, carbon dioxide, helium, and other non-combustible elements as a byproduct of natural gas processing.
The liquid helium subsystem of the Ariane 5 and Ariane 6 launchers includes the helium filling valve (VRE). The VRE’s primary purpose is to automatically open in order to allow the Helium tank to be refilled.
The Global space propulsion helium filling valve market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
Working with liquid helium requires the precise application of the proper housing material at temperatures of 4K or lower: In order to prevent cold leaks and obtain the necessary tightness for cryogenic use at the valve seat, STOHR oemploys solid stainless steel.
By minimising excessive mass, the appropriate valve body design also reduces the heat input while maintaining compliance with all standards and regulations.
Through a variety of design strategies, it is possible to minimise the heat absorption caused by the actuator as it descends into the medium via the valve spindle. The thermal energy transfer via thermal sliding contacts from the metal spindle to the outer tube of the valve