Toxic Gases; Vacuum - Wesemann SYSTEM DELTA 30 User Manual

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User Manual | Laboratory Fume Cupboard | Media system: Armatures
the colours in Zones 2 and 3.
N Nitrogen
2
SA Synthetic air 80 / 20
O Oxygen
2
RA Control air
CB Carbogen (CO2 + O2)
Xe Xenon
Ar Argon
5.2.5

Toxic gases

The colour black of Zone 1 indicates that it refers to the flow substance toxic gases. Which toxic gas it is can be
recognized by the colours in Zones 2 and 3.
NH Ammonia
3
NO Nitrogen monoxide
AsH Arsine
3
HCl Hydrogen chloride
CO Carbon monoxide
Cl Chlorine
2
5.2.6

Vacuum

The colour grey of Zone 1 indicates that it refers to the flow substance vacuum. Which vacuum it is can be
recognized by the colours in Zones 2 and 3.
N O Nitrous oxide
2
CA Compressed air
CO Carbon dioxide
2
BA Breath (air)
Kr Krypton
Ne Neon
He Helium
NO Nitrogen dioxide
2
H S Hydrogen sulphide
2
PH Phosphine
3
SO Sulphur dioxide
2
COCl Phosgene
2