【2025 Diagram Analysis】Control Valve Pneumatic Circuit Diagram (2/4)
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This post was last edited by zhoudingshengs on 2025-6-1 14:56: control valves with solenoid valves and pneumatic positioners (redundant dual solenoid valves).
There is a control valve with two solenoids (interlock safety).
There is a control valve with two solenoid valves (AND gate).
There is a control valve with three solenoid valves (AND gate).
Step-control valves with solenoid valve and pneumatic valve positioners (electro-pneumatic converters).
Step-controlled valve with solenoid valve and pneumatic valve positioner (without electro-pneumatic converter).
Step control valves with solenoid valves and electro-pneumatic valve positioners.
Step control valve with solenoid valves and electro-pneumatic valve positioners (DCS output 4–12mA； (12–20 mA).
Step-controlled valve with solenoid valves and electro-pneumatic valve positioners (DCS output 4–20mA).
There are control valves with solenoid valves and pneumatic three-way valves.
There are control valves with solenoids and air source tanks.