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Vulcain 2 Hot Gas Valve (VGC2)

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Vulcain 2 Hot Gas Valve (VGC2)

VGC2 du moteur Vulcain

Vulcain 2 Hot Gas Valve (VGC2)

Safran Aero Boosters

Mass 11.5 kg

Fluid compatibility GH2, H2O, GHe, GN2

Operating temperature From 230K to 930K

Maximal operating pressure 130 bar

Maximal flow rate 5 kg/s

The Hot Gas Valve (VGC2) is a pneumatically actuated throttling valve on the Ariane 5 Vulcain 2 cryogenic engine. It is located downstream of the gas generator.

Vulcain 2 Hot Gas Valve (VGC2)

Safran Aero Boosters

Mass 11.5 kg

Fluid compatibility GH2, H2O, GHe, GN2

Operating temperature From 230K to 930K

Maximal operating pressure 130 bar

Maximal flow rate 5 kg/s

TheVulcain 2 Hot Gas Valve’s (VGC2)

Main function

The Hot Gas Valve (VGC2) is a pneumatically actuated throttling valve. Its main function is to provide an adjustable head loss on the Oxygen turbine inlet line which allows adjusting the engine fuel/oxidizer mixture ratio during the engine firing.

Space Equipment

Design, development, assembly & testing of flow regulation valves for space launcher engines and stages.

Space equipement - Safran Aero Boosters - VP - Vinci Engine.

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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