Guide 2020

■ Floor markings demarcation of zones using lines

Protective clothing mandatory

Passageways

Keep free zones

Partial Ex-zoning

Delimitation of detection zones, e.g. induction loops, photocells, ...

■ Pipeline colour code

Water

Steam

Air

Pneumatic transport with air

Non-combustible gas

Combustible gas

Acids

Alkalines

Highly flammable fluid

Combustible and non-combustible fluid

Vacuum

■ Darkroom

Once you have passed through this door, darkroom instructions apply