4.3 Attachment to Type 3372
Actuator (V2001)
The Type 3725 Positioner is already in-
cluded in the scope of delivery for V2001
valve series (Type 3372 Actuator).
The attachment is briefly described below to
allow conversion work to be performed.
Actuator 120 and 350 cm², stem extends
The signal pressure is routed through the
corresponding port in the support element to
the actuator diaphragm.
Thread the screw on the positioner into the
hole below (park position) (Fig. 7).
Actuator 120 and 350 cm², stem retracts
The signal pressure is routed through piping
at the side of the support element to the ac-
tuator diaphragm.
Attachment including solenoid valve
The signal pressure is routed from the output
port of the positioner to the solenoid valve
and through a corresponding hole on the
support element to the actuator diaphragm.
EB 8394 EN 23
Attachment to the control valve – Mounting parts and accessories
Type 3372 Actuator, 350 cm²
Type 3372 Actuator, 120 cm²
Fig. 11 · Attachment to Type 3372 Actuator
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