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Vulcain 2.1 Hot Gas Valve (VGC 2.1)
Vulcain 2.1 Hot Gas Valve (VGC 2.1)
Vulcain 2.1 Hot Gas Valve (VGC 2.1)
Mass (flight/ground) 8 kg / 11.5kg
Fluid compatibility GH2, H2O, GHe, GN2
Operating temperature From 230K to 960K
Maximal operating pressure 130 bar
Flow rate 5kg/s
The Hot Gas Valve (VGC 2.1) is an electrically actuated throttling valve on the Ariane 6 Vulcain 2.1 cryogenic engine, located downstream of the gas generator. Its position is fixed during flight.
Vulcain 2.1 Hot Gas Valve (VGC 2.1)
Mass (flight/ground) 8 kg / 11.5kg
Fluid compatibility GH2, H2O, GHe, GN2
Operating temperature From 230K to 960K
Maximal operating pressure 130 bar
Flow rate 5kg/s
The Hot Gas Valve’s (VGC 2.1)
Main function
The Hot Gas Valve (VGC 2.1) is an electrically actuated throttling valve. It provides an adjustable head loss on the Oxygen turbine inlet line which allows adjusting the engine mixture ratio during tuning procedure on ground.
Design, development, assembly & testing of flow regulation valves for space launcher engines and stages.
Safran Aero Boosters specializes in flow regulation valves for space propulsion. With a strong focus on Research and Technology, the company is a partner on most future European launcher propulsion programs. Safran Aero Boosters’s equipment is developed under extreme conditions of temperature, pressure, vibration and flow and has demonstrated 100% reliability over 45 years. The company is able to hardness this high-level expertise to provide flow regulation valves (pneumatic/electric – linear/rotative) for most of propulsion systems on launchers.
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