| Non-flammable gases |
Colour |
Tape Ref |
| Oxygen |
|
GY-BU-GY |
| Inert gas |
|
GY-BN-GY |
| Nitrogen |
|
GY-GN-GY |
| Refrigerant |
|
GY-MN-GY |
Compressed air LP (Low Pressure) |
|
GY-OG-GY |
Compressed air HP (High Pressure) |
|
GY-RD-GY |
| Control air / Regulating air |
|
GY-VT-GY |
| Breathing air * |
|
GY-WH-GY |
| Breathing gas * |
|
GY-YEO-GY |
* This marking is used in sub-marines for distribution systems of breathing air from cylinders. |
|
| Air in ventilation systems |
Colour |
Tape Ref |
| Discharge air |
|
WH-BK-WH |
| Mechanical supply air, cold |
|
WH-BU-WH |
| Natural exhaust air |
|
WH-BN-WH |
| Atmospheric air |
|
WH-GN-WH |
| Mechanical exhaust air |
|
WH-GY-WH |
| Decontaminated supply air |
|
WH-MN-WH |
| Mechanical recirculated air |
|
WH-OG-WH |
| Mechanical supply air, warm |
|
WH-SR-WH |
| Smoke clearance |
|
WH-RD-WH |
| Conditioned supply air |
|
WH-VT-WH |
| Natural supply air |
|
WH-YEO-WH |
|