7
© 05.2022
1.3 Terms, Abbreviations
Terms and abbreviations are explained below:
1.2 Symbols, Notes
The instructions contain safety instructions marked with symbols to indicate possible consequences in case of non-
observance:
DANGER
Note
ATTENTION
This combination of symbol and signal word indicates a potentially hazardous
situation which, if not avoided, may result in minor or moderate injury, damage
to the device, the breakdown of the system, and material or environmental
damage.
This combination of symbol and signal word indicates an imminent hazardous
situation which, if not avoided, will result in death or serious injury.
This signal word highlights useful tips, recommendations, and information for
efficient and trouble-free operation.
ATC Acceptance test certificate
DN Nominal width
GPR Gas pressure regulator
MOP Maximum operating pressure
in a system
p
d
Outlet pressure
p
ds
Setpoint of the
outlet pressure
SSV Safety shut-off valve
SRV Safety relief valve