Standard Compressed Gas Association (CGA) Valves and Connections

Gas CGA No. Gas CGA No. Gas CGA No.
Acetylene 510 Fluorine 679 Nitrogen 580
Air 590 Germane 350 Nitrogen Dioxide 660
Allene 510 Halocarbon-12
(Dichlorodifluoromethane)		 660 Nitrogen Trioxide 660
Ammonia, Anhydrous 240, 660 Halocarbon-13
(Chlorotribluoromethane)		 660 Nitrosyl Chloride 660
Argon 580 Halocarbon-14
(Tetrafluoromethane)		 320 Nitrous Oxide 326
Arsine 350 Halocarbon-22
(Chlorodifluoromethane)		 660 Oxygen 540
1,3-Butadiene 510 Helium 580 Phosgene 660
Butane 510 Hydrogen 350 Phosphine 350
Butenes 510 Hydrogen Bromide 330 Phosphorus Pentafluoride 330
Carbon Dioxide 320 Hydrogen Chloride 330 Propane 510
Carbon Monoxide 350 Hydrogen Fluoride 660 Propylene 510
Carbonyl Fluoride 660 Hydrogen Selenide 350, 660 Silane 350
Carbonyl Sulfide 330 Hydrogen Sulfide 330 Silicon Tetrafluoride 330
Chlorine 660 Iso-Butane 510 Sulfur Dioxide 660
Cyanogen 660 Iso-Butylene 510 Sulfur Hexafluoride 590
Cyclopropane 510 Krypton 580 Sulfur Tetrafluoride 330
Deuterium 350 Methane 350 Sulfur Dioxide 660
Dimethylamine 240 Methyl Chloride 660 Sulfur Hexafluoride 590
Dimethyl Ether 510 Methyl Mercaptan 330 Sulfur Tetrafluoride 330
Ethane 350 Monoethylamine 240 Trimethylamine 240
Ethyl Acetylene 510 Monomethylamine 240 Vinyl Bromide 510
Ethyl Chloride 510 Natural Gas 350 Vinyl Chloride 510
Ethylene 350 Neon 580 Xenon 580
Ethylene Oxide 510 Nitric Oxide 660