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Vulcain Purge Valve (PV)

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Vulcain Purge Valve (PV)

Vanne Purge VP du moteur Vulcain

Vulcain Purge Valve (PV)

Safran Aero Boosters

Mass 3.9 kg

Fluid compatibility L/GH2, L/GOx, L/GN2, GHe

Maximal pressure 197 bar

ESEOD 21 mm

Flow rate (LH2 – LOx) 1.5 kg/s – 3 kg/s

The Purge Valve (PV) is a normally open pneumatic poppet valve. It allows the engine’s chill down and manages the engine transients. Part of the Vulcain cryogenic engine, the PV remain closed at high propellant pressure even in case of a loss of the helium command pressure.

Vulcain Purge Valve (PV)

Product Space propulsion

Safran Aero Boosters

Mass 3.9 kg

Fluid compatibility L/GH2, L/GOx, L/GN2, GHe

Maximal pressure 197 bar

ESEOD 21 mm

Flow rate (LH2 – LOx) 1.5 kg/s – 3 kg/s

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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  • © Béa Uhart / CAPA Pictures / Safran