CryoGuard PEEK-N Seals

Beacon Industries, Inc. proposes a novel multi-disc cryogenic seal made from PEEK-N for cryogenic valves, couplers, quick disconnects, and fuel transfer systems. Traditional seals use a single surface that deforms under extreme cold and pressure, causing leaks. Our solution uses ten thin, stacked discs that compress and adapt under pressure, creating multiple barriers to stop leaks even after 66,000 pressure cycles at –253°C and 14,500 psi. This design resists brittleness, hydrogen embrittlement, and particle damage, ensuring safe, long-term operation in space and launch systems. The seal is additively manufactured (3D-printed) for custom fit and lower weight, solving critical challenges for NASA and commercial cryogenic systems.

Artemis Program – Propellant and fluid management systems for lunar missions • Gateway Lunar Orbital Platform – Long-duration propellant transfer couplers and quick disconnects • Stennis Space Center Propulsion Testing – Reusable valve seals for cryogenic engine test stands • Cryogenic Fluid Management (Cryogenic Fluid Management) Technology – In-space refueling valves and couplings • Lunar Surface Operations – Cryogenic fluid connectors in landers, rovers, and refueling systems • Space Launch System (SLS) – Launch pad quick disconnects and ground system couplers Commercial Space Launch – Propellant seals in reusable rocket stages (e.g., SpaceX Starship, Blue Origin New Glenn) • Satellite Refueling – Leak-free sealing systems for orbital fuel transfer missions • Hydrogen Infrastructure – Cryogenic transfer seals for fueling stations and pipelines • Aerospace Ground Support Equipment – Quick disconnects for liquid hydrogen and oxygen handling • Energy Sector – Seals for hydrogen storage, transport, and distribution systems

This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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