CGA standards
| Standard | Title | Recognised by |
|---|---|---|
| CGA V-1 | Standard for Compressed Gas Cylinder Valve Outlet and Inlet Connection | FDA |
| CGA V-5 | Diameter-Index Safety System (Noninterchangeable Low Pressure Connections for Medical Gas Applic | FDA |
| CGA C-9 | Standard Color Marking of Compressed Gas Containers for Medical Use | FDA |
| CGA V-7.1 | Standard Method of Determining Cylinder Valve Outlet Connections for Medical Gases | FDA |