Flowserve 4 Series Kämmer Pneumatic and Electropneumatic Actuators - Manual (Page 5)

5
Flow Control Division
Kammer Control Valves
Pilot valve
Supply to
actuator diaphragm
Vent
Pilot plug
Balancing plate
Seat ring
Supply input
1.4 – 4.2 bar
(20 – 60 psi)
Double diaphragm
Pilot plug
(see detail below)
Supply output to
actuator diaphragm
Supply input
1.4–4.2 bar (20–60 psi)
Vent
Positioner spring
Range adjustment screw
(max. 3 turns)
Signal input
0.2–1.0 bar
(3–15 psi)
Fig. 2: P/P - Positioner
Adjusting nut