Kakšen je magnetni ventil 4-?

The solenoid valve supplying air to that actuator must have four ports: one for air supply (P), one for exhaust (E), and two for the cylinder ports (typically labeled A and B), so that to make a pneumatic actuator move two different directions. These valves are required for double-acting cylinders because they actually switch the direction of airflow from going in the bottom of the cylinder inlet Če želite iti na vrh drugih vrat valja ., to pomaga, da se valj odpre in zapre zelo hitro . Ta vrsta ventila je veliko bolj uporabna, kadar se različne vrste tekočine mešajo v določenem fiksnem razmerju .