1. Selfa bellows & cryogenic valves market segments

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

3. Valves for cryogenic applications

4. 3 main applications Ultra high purity gas Microelectronic Photovoltaic
Nuclear applications
Cryogenic applications
SELFA Valves

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

6. 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

7. 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

8. 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

9. 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,…

10. 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

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

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

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

14. 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

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

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

17. 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)

18. 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

19. 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

20. 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

21. 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

22. 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

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

24. 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

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

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

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

28. 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

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

30. 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

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