Samson 3725 - Attachment to Type 3372 Actuator (V2001)

36 EB 8394 EN
Mounting and start-up
5.4 Attachment to Type3372
Actuator (V2001)
The Type3725 Positioner is already included
in the scope of delivery for Series V2001
Valves (Fig.11).
The attachment is briey described below to
allow conversion work to be performed.
Actuator with 120/350cm², stem extends
The signal pressure is routed through the cor-
responding port in the support element to the
actuator diaphragm.
Î Thread the screw plug on the positioner
into the hole below (park position) (see
Fig.8 on page31).
Actuator with 120/350cm², stem retracts
The signal pressure is routed through piping
at the side of the support element to the actu-
ator 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 in the
support element to the actuator diaphragm.