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Eaton Achieves Industry First, Qualifies New Valve in Tank Assembly That Increases Satellite Payload Capacity August 30 2021

2021 Composites Market Update 34

Power management company Eaton today announced that its successfully completed qualification testing for the aerospace industry’s first Valve in Tank Assembly (VITA) propulsion feed system. As the first satellite electric propulsion solution that integrates valves inside the propellant tank, the VITA eliminates the need for a traditional feed system envelope, creating room for more payload.

The innovative design of Eaton’s VITA eliminates the feed system envelope by integrating proportional flow valve technology into a housing that is then integrated into the neck of a lightweight composite propellant tank. The initial configuration of the VITA solution has two redundant shut-off valves to support one thruster for increased reliability. The drop-in VITA design approach supports modular satellite configurations, making architectural changes easier. Qualified in testing with xenon, this system has demonstrated to be fully compatible with krypton as well. The valve and tank assembly can be pre-filled with propellant and shipped ready to install.