Control function 2
Normally open (NO):
Valve resting position: opened by
spring force. Activation of the actuator
(connector 4) closes the valve.
When the actuator is vented, the
valve is opened by spring force.
Control function 3
Double acting (DA):
Valve resting position: no defined
normal position. The valve is opened
and closed by activating the respective
control medium connectors (connector 2:
open / connector 4: close).
Control function 1: connector 4 is
closed with a blanking plug.
Control function 2: connector 2 is
closed with a blanking plug.
Control
function
1 (NC)
2 (NO)
3 (DA)
+ = available / - = not available
(for connectors 2 / 4 see picture above)
Connector 4
Connector 2
Connectors
2
4
+
-
-
+
+
+
10.4
Connecting the
control medium
Important:
Connect the control medium
lines tension-free and without
any bends or knots! Use
appropriate connectors
according to the application.
Thread size of the control medium
connectors: G1/4
Control function
1
Normally closed (NC)
2
Normally open (NO)
3
Double acting (DA)
For connectors 2 / 4 see picture on the left
11
Assembly / disassembly
of spare parts
19
18
27 / 36
Connectors
2: Control medium (open)
4: Control medium (close)
2: Control medium (open)
4: Control medium (close)
605
A
2
1