General information
7 0000000141 - 002 - EN
WARNING
This combination of symbol and signal word indicates a potentially hazardous sit-
uation which - if not avoided - may lead to severe injuries or death.
CAUTION
This combination of symbol and signal word indicates a potentially hazardous sit-
uation which - if not avoided - may lead to light or minor injuries.
NOTICE
This combination of symbol and signal word indicates a potentially hazardous sit-
uation which - if not avoided - may lead to property damage or damage to the
environment.
This symbol characterises contents and instructions for the intended use in po-
tentially explosive areas.
This symbol highlights useful tips and recommendations as well as information
for efficient and flawless operation.
1.5 List of abbreviations and formula signs used
Tab. 1-1 List of abbreviations
Abbreviation Description
Tab. Table
Fig. Figure
EAC Eurasian economic union mark of conformity
CE EU mark of conformity
DGRL EU pressure equipment directive
ATEX EU explosion prevention directive
max. maximum
min. minimum
H2 Symbol for hydrogen
No. Number
CET Central European Time
EPL Equipment Protection Level