Description
3.2 Structure
3.2.2
Design of a control valve
①
②
③
④
Figure 3-1
①
②
③
Figure 3-2
18
Pneumatic linear actuator
Positioner
Valve
Electrical connection
Positioner, attached to linear actuator
Pneumatic part-turn actuator
Positioner
Mounting block with integrated air duct
Positioner, attached to part-turn actuator
SITRANS VP300 with or without HART
Operating Instructions, 03/2011, A5E01258666-03