VACCO Launch Vehicle Cryogenic Controls (12″ Cryogenic Prevalve)
VACCO Industries
Cryogenic ball valves, fill & drain valves, and prevalves for launch vehicle main propulsion systems, including the SLS Core Stage 12-inch cryogenic prevalve.
Technical specifications
- Product types
- Cryogenic ball valves; cryogenic fill & drain valves; cryogenic prevalves
- Featured product
- 12 in. cryogenic prevalve, SLS Core Stage
- Functions
- Propellant chill-down, engine flow control, MPS safing
- Flight heritage
- Apollo, Space Shuttle, Space Launch System (SLS)
About
VACCO Industries is a premier supplier of critical cryogenic and pneumatic space flight components to U.S. crewed and expendable launch vehicle programs, providing cryogenic ball valves, cryogenic fill and drain valves, and cryogenic prevalves used throughout the Main Propulsion System (MPS) on programs including Apollo and the Space Shuttle. Taking its heritage from the Space Shuttle Program, VACCO’s 12-inch cryogenic prevalve flies on the Space Launch System (SLS) Core Stage, supporting propellant system chill-down, controlling propellant flow to the engines, and safing the MPS when necessary.
Documentation
- cryogenic_ball_valves.pdf www.vacco.com ↗
- cryogenic_fd_valves.pdf www.vacco.com ↗
- cryogenic_prevalves.pdf www.vacco.com ↗
Need the full ICD, test reports or a specific revision? Ask the supplier directly.
