Series 612  OPERATION 
 
605262EE  Edition 2018-08-20  87/
 
5.9  Operation under increased temperature 
 
 
 
CAUTION 
Hot valve 
Heated valve may result in minor or moderate injury. 
Do not touch valve and heating device during operation. Once heating is switched off 
(valve and system) await until the valve is cooled down complete before doing any 
work. 
 
 
 
This valve may be operated in the temperature range mentioned in chapter 
«Technical data».