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CGA Connections for Gas Tanks

The below list is a compilation of CGA fittings for gas tanks in common use by both Matheson and Scott Speciality Gases.  These are the standard fittings used by most gas suppliers.  However, be sure to check with your gas supplier for the correct fittings for your tanks.

 

Gas CGA Fitting
Scott Matheson
Acetylene 510 510
Air 590 590
Air, Breathing   346
Allene 510 510
Ammonia, Anhydrous 240, 260 705
Ammonia, Electronic   660, 720
Argon 580 580, 718
Argon-3500 psi   680
Argon-6000 psi   677
Arsine 350 350, 632
Boron Trichloride   660, 634
Boron Trifluoride   330, 642
Bromotrifluoromethane   660
1,3-Butadiene 510 510
Butane 510 510
Butenes 510 510
Carbon Dioxide 320 320, 716
Carbon Monoxide 350 350, 724
Carbonyl Fluoride 660 660
Carbonyl Sulfide 330 330
Chlorine 660 660
Chlorodifluoromethane 660 660
Chloro-1,1-difluoroethane   510
Chloropentafluoroethane   660
Chlorotrifluoroethylene   510
Chlorotrifluoromethane 660 660, 716
Cyanogen 660 660
Cyanogen Chloride   660
Cyclopropane 510 510
Deuterium 350 350
Dichlorodifluoromethane 660 660, 716
Dichlorosilane   678, 636
Dichlorotetrafluoroethane   660
Dimethylamine 240 705
Dimethyl Ether 510 510
2-2 Dimethylpropane   510
Ethane 350 350
Ethyl Acetylene 510  
Ethyl Chloride 510 300
Ethylene 350 350
Ethylene Oxide 510 510
Fluorine 679 679
Fluoroform   680, 716
Germane 350 350, 632
Helium 580 580, 718
Hexafluoroethane   660
Hexafluoropropylene   660
Hydrogen 350 350, 724
Hydrogen-3500 psi   695
Hydrogen Bromide 330 330, 634
Hydrogen Chloride 330 330, 634
Hydrogen Fluoride 660 660, 638
Hydrogen Iodide   330
Hydrogen Selenide 350, 660 350
Hydrogen Sulfide 330 330, 722
Iso-Butane 510 510
Iso-Butylene 510 510
Krypton 580 580, 718
Methane 350 350
Methyl Bromide   330
3-Methyl Butene-1   510
Methyl Chloride 660 660
Methyl Fluoride   350
Methyl Mercaptan 330 330
Monoethylamine 240  
Monomethylamine 240 705
Natural Gas 350  
Neon 580 580, 718
Nitric Oxide 660 660, 712
Nitrogen 580 580, 718
Nitrogen-3500 psi   680
Nitrogen-6000 psi   677
Nitrogen Dioxide 660 660
Nitrogen Trioxide 660 660
Nitrosyl Chloride 660  
Nitrous Oxide 326 326
Octofluorocyclobutane   660
Oxygen 540 540, 714
Perfluoropropane   660, 716
Phosgene 660 660
Phosphine 350 350, 632
Phosphorous Pentafluoride 330 660
Propane 510 510
Propylene 510 510
Silane 350 350, 632
Silicon Tetrafluoride 330 330, 642
Sulfur Dioxide 660 660
Sulfur Hexafluoride 590 590, 716
Sulfur Tetrafluoride 330 330
Tetrafluoromethane 580  
Trimethylamine 240 705
Vinyl Bromide 510 510
Vinyl Chloride 510  
Vinyl Methyl Ether   510
Xenon 580 580, 718

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