MAINTENANCE
Series 670
18/39
Edition 2018-06-19
943070EA
7
Maintenance
WARNING
Unqualified personnel
Inappropriate handling may cause serious injury or property damage.
Only qualified personnel are allowed to carry out the described work.
CAUTION
Hot surfaces
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.
CAUTION
Valve opening
Risk of injury.
Human body parts must be kept out of the valve opening and away from moving parts.
NOTICE
Contamination
Gate and other parts of the valve could be contaminated.
Always wear cleanroom gloves when handling the valve.
NOTICE
Scratches on sealing surface
Scratches on sealing surface cause in malfunction (leak) of valve
Only qualified personnel are allowed to carry out the described work.