Selfa bellows & cryogenic valves market segments

Valves for pure, high purity and UHP gases and nuclear applications

Valves for cryogenic applications

3 main applications Ultra high purity gas Microelectronic Photovoltaic Nuclear applications Cryogenic applications SELFA Valves

Selfa Products : 3 main markets Final users Nuclear industry Fundamental research laboratories Gas industry OEM's Installers

Final Users : Nuclear Industry AREVA (Areva NC, Eurodif, Comurhex, etc…) World leader in nuclear power, from the extraction to the recycling of the combustible Selfa applications Valves for UF6 transport (Uranium hexafluoride-combustible for nuclear reactor) : K300 Series Special valves for nuclear application from K300 Series

Final Users : Industrial Gases Air Liquide Leader for industrial and medical gas solutions Present in 70 countries Selfa applications Valves for liquid gas production and transport K900, HP9000, Supra Valves for gas production, storage, filtration, etc… K300, HP2000 Valves for combustive gases : NF3, SiH4, F2, O2

Final Users : Industrial Gases Linde Industrial German gas company Present in 100 countries Selfa applications Valves for gas transport HP2000, K300, K900 Valves for gas production, storage, filtration, etc… Valves for hydrogen

Final Users : Fundamental research laboratories Atomic research centre : CEA, CERN, CNRS Nuclear research for civil or military applications Fundamental research Selfa applications Valves for glove box : K300 Controlled thermonuclear Fusion (ITER project) : K300, K900, Supra with metal plug for H3 (Tritium), D2 (Deuterium), He, Li,…

OEM's Gardner Selfa applications Cryogenic tanks and trailers builder Cryogenic equipment Selfa applications Valves for liquid Helium and Hydrogen : Supra Special stuffing box and cast body valves

OEM's Air Liquide DMC Selfa applications Cryogenic tank builder Cryogenic material Selfa applications K900, Supra

Installers Boccard Selfa applications Construction of industrial piping systems Integrator Selfa applications Specific valves for nuclear application (metal plug) K300, K900, HP2000-9000 Cooling system : RM Series

Installers Cegelec Selfa applications Cryogenic application for spatial industry (Ariane) Maintenance : marine, airport Selfa applications K300 K900 Series Supra Series for LHe

Installers ALTAL (Air Liquide group) Selfa applications Construction of industrial cryogenic system Selfa applications Specific cryogenic valves for nuclear research and others (metal plug), K300, Supra HP2000, HP9000

Installers Endel (Suez group) Selfa applications Energy production Gas transport, storage Installation Selfa applications K300, K900 HP2000, HP9000

Advantages for Ultra high purity gas Metallic bellows seal type very high sealing (1.10-9 mbar.l/sec He) Plug material according to the application Metal, Ni, PCTFE, PTFE, Vespel No pollution metal to metal sealing to atmosphere (1.10-9 mbar.l/sec He) electro-polishing 0.2µm (up to)

Advantages for nuclear application Forged body very small risk of fissure or porosity in the body Stainless steel parts very good compatibility with gas (corrosive gases, radioactive gases)

Advantages for cryogenic application K900, HP9000 and Supra Series Temperature range : -270°C to +250°C Top entry valve : for cold box under vacuum Designed for vacuum isolated installation

Manual Valves Pneumatic Valves Pneumatic Valves Manual Valves LOW CRYOGENIC APPLICATIONS Operating temperature goes from - 273° C to + 250° C Manual Valves Pneumatic Valves Pneumatic Valves AMBIENT APPLICATIONS Operating temperature goes from – 20° C to + 80° C Manual Valves SUPRA Valve 0 to 40 bar K300 Valve 0 to 100 bar Pneumatic Valves K serie body Manual Valves HP9000 Valve 0 to 240 bar HP2000 Valve 0 to 240 bar K900 Valve 0 to 40 bar Manual Valves CRYOGENIC APPLICATIONS Operating temperature goes from - 196° C to + 120° C Pneumatic Valves Manual Valves Pneumatic Valves

K300 DN8-80 mm -20°C +80°C 0  100 bars Stainless Steel body Manual or pneumatic Options Metal plug Brass body or other material in bar stock body

K900 DN8-80 mm -200°C +80°C 0  100 bars Stainless Steel body Manual or pneumatic Options Metal plug Brass body or other material in bar stock body

HP2000 DN8-12 mm -20°C +80°C 0  240 bars Stainless Steal body Manual or pneumatic Options Metal plug Bracket nickel perforated sleeve for combustive gas

HP9000 DN8-12 mm -200°C +80°C 0  240 bars Stainless Steel body Manual or pneumatic Options Metal plug

Supra DN8-50 mm -270°C +250°C 0  25 bars Stainless Steel body Manual or pneumatic Top entry Options Vespel plug Flange for vacuum isolation

RM 100 DN5-32 mm -20°C +80°C 0  30 bars Brass body Manual Options Cold application -100°C Stainless steel end connections

RM 900 DN8-32 mm -200°C +80°C 0  30 bars Brass body Manual

RMS DN12-32 mm -200°C +80°C 0  30 bars Brass body Manual or pneumatic Top entry Options Vacuum isolated flange

KD-KY DN 12 to 100 mm -20°C +80°C 0  30 bars Stainless steel Manual or pneumatic High CV value (up to 328) Options Electro polishing 0.2 µm

Non-return valves DN4-80 -200°C +100°C 0  200 bars (according to dimensions)

End connections BW (butt welding) BWO (butt welding orbital) SW (socket welding) Double ring fitting Face seal ¼'', 3/8'', ½'',3/4'',1'',1 ½'' gas connection, NPT RBR Face seal

Selfa valve Pneumatic actuation (here normally closed) Metal to metal sealing to atmosphere Bellows seal Plug (PCTFE, Vespel, Ni, etc) Nominal diameter