4
Operating instructions
CAUTION!
Warns of a possible danger!
▶ Failuretoobservethiswarningmayresultinamoderately
severeorminorinjury.
NOTE!
Warns of damage to property!
▶ Failuretoobservethewarningmayresultindamagetothe
deviceortheequipment.
Indicatesimportantadditionalinformation,tipsand
recommendations.
Referstoinformationintheseoperatinginstructionsorin
otherdocumentation.
▶ designatesinstructionsforriskprevention.
→ Designatesaprocedurewhichyoumustcarryout.
1.2 Denition of term / abbreviation
Theterm“device”usedintheseinstructionsalwaysstandsfor
theangle-seatcontrolvalveType2300.
Theabbreviation“Ex”usedintheseinstructionsalwaysstands
for“explosion-protected”.
1 OPERATING INSTRUCTIONS
Theoperatinginstructionsdescribetheentirelifecycleofthedevice.
Keep these instructions in a location which is easily accessible
toeveryuserandmaketheseinstructionsavailabletoeverynew
ownerofthedevice.
The operating instructions contain important safety information!
Failuretoobservetheseinstructionsmayresultinhazardous
situations.
▶ Theoperatinginstructionsmustbereadandunderstood.
1.1 Symbols
DANGER!
Warns of an immediate danger!
▶ Failuretoobservethewarningmayresultinafatalorserious
injury.
WARNING!
Warns of a potentially dangerous situation!
▶ Failuretoobservethewarningmayresultinseriousinjuries
ordeath.