Gas Regulators and Fittings

Below are some common CGA numbers. High pressure tanks or lecture bottles require different fittings:

||Gases || CGA Connection || ||Carbon dioxide || 320 || ||Boron trifluoride, hydrogen chloride, hydrogen bromide,
hydrogen iodide, hydrogen sulfide, silicon tetrafluoride || 330 || ||Carbon monoxide, ethylene, hydrogen, hydrogen selenide || 350 || ||Acetylene, allene, butadiene, butane, butenes, cyclopropane,
dimethylether, methane, propane, propylene, vinyl methyl ether || 510 || ||Oxygen || 540 || ||Argon, nitrogen, helium, noble gases || 580 || ||Air (industrial grade) || 590 || ||Boron trichloride, chlorine, nitric oxide, nitrogen dioxide,
nitrogen trioxide, sulfur dioxide, phosphorous pentafluoride,
many halocarbons || 660 || ||Anyhdrous ammonia || 705 || ||Lecture Bottles || 170 || Good Link:

http://www.ilpi.com/inorganic/glassware/regulators.html