Operation/Use
15.11.2018
DOUBLE-SEAT VALVE INOVA (Type 580)
BA 058000.06 EN
21 / 36
6.4
Valve control
The double-seat valve is closed in the basic position.
10
Fig. 7: Direct valve control
Direct control with compressed air activates one of the three switching functions:
•
A
activates the main function of opening the valve
•
B
activates the upper valve disk’s single-seat lifting.
•
C
activates the lower valve disk’s single-seat lifting.
11
Fig. 8: Indirect valve control
Indirect control takes place via a built-on control unit. The various switching functions are
activated through integrated solenoid valves:
•
A
activates the main function of opening the valve
•
B
activates the upper valve disk’s single-seat lifting.
•
C
activates the lower valve disk’s single-seat lifting.
C
A
B
C
A
B