7. User Information
7.2 Cylinder Valve Guide
CGA300
Used for Acetylene gas
Left-hand threaded valve (Gasket not used)
CGA320
for Carbon Dioxide gas
Right-hand thread valve (uses gasket)
CGA326
Used for medical Nitrous Oxide gas
Right-hand thread valve (Do not use gasket)
CGA 350
Used for Hydrogen gas
Right-hand thread valve (Gasket not used)
CGA580
Used for Argon, Helium, Nitrogen gases.
Right-hand threaded valve (Gasket not used)
CGA540
Used for Oxygen gas
Right-hand threaded valve (Gasket not used)