Flowserve 4 Series Kämmer Pneumatic and Electropneumatic Actuators - Manual (Page 7)

7
Flow Control Division
Kammer Control Valves
Positioner spring
Pilot valve
Supply to
actuator diaphragm
Vent
Pilot plug
Double diaphragm
Balancing plate
Seat ring
Supply input
1.4 – 4.2 bar
(20 – 60 psi)
Signal
0/4 – 20 mA
Range adjustment screw
(max. 3 turns)
Signal input
0.2–1.0 bar (3–15 psi)
Vent
Pilot plug
(see detail below)
Supply input
1.4–4.2 bar (20–60 psi)
Supply output to
actuator diaphragm
Transducer
Fig. 4: I/P Positioner
Adjusting nut