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What is a Solenoid Valve? A solenoid valve is an electrically operated valve that is mainly used to regulate the circulate of air or a liquid in pneumatic and hydraulic power programs. It is mostly configured to a spool or a poppet that's in turn linked to a ferrous metallic plunger which may be spring-centered or spring offset. The plunger itself moves inside a core tube of non-ferrous steel that in turn is surrounded by a coil comprised comprising of electrical windings. An electromagnetic actuator (solenoid) and a valve body make up a solenoid valve, which is an on/off electromechanically actuated valve. The valve actuator is the solenoid-plunger meeting, which opens and closes the valve. This actuator can be configured so that the plunger movement is proscribed to either opening or closing. Because there is no such thing as a intermediate or in-between position, a solenoid can't throttle circulate.

This valve has 3 different ports: the inlet port that brings in a pressurized gas, the outlet port for its exit, and a 3rd exhaust port for used air. It also has two states, open and closed. Within the relaxed state, the inlet connects to the exit port. Upon closing, the outlet adjustments the connection to align with the exit port.

Two-means valves are shut-off valves with one inlet port and one outlet port (Fig. 1). In the de-energized condition, the core spring, assisted by the fluid strain, holds the valve seal on the valve seat to shut off the stream. When energized, the core and seal are pulled into the solenoid coil and the valve opens. The electro-magnetic power is larger than the mixed spring pressure and the static and خرید شیر برقی dynamic pressure forces of the medium.