3.2
Functional description
3.2.1
Valve N
Closing Direction
Closing direction: from top to bottom
Standard: spring-to-close
Fig.6:
Distinguishing Feature of Spring-To-Close Actuator (Z)
The valve is closed in the non-actuated position.
Identification:
–
Green steady light (1): valve in non-actuated position
–
Yellow steady light (1): valve in end position (actuated position)
Fig.7:
Distinguishing Feature of Spring-To-Open Actuator (A)
The valve is open in the non-actuated position.
Identification on the T.VIS control top once the installation (SET-UP) has been
completed:
–
Green steady light (1): valve in non-actuated position
–
Yellow steady light (1): valve in end position (actuated position)
3.2.2
Valve U
Closing Direction
Description
Functional description
430BAL008302EN_10
18
16.03.2023