Solenoid valve - the device and principle of work

Solenoid valve is an Electromechanical device that is controlled using electrical current. The latter passes through the electromagnet (coil, wound around the core), which in turn causes a magnetic field. Its action it can open and - Vice versa - close solenoid valve.

In General, this mechanism is used to regulate the flow of liquids and gases. It is most commonly used in the agricultural sector (irrigation) and industrial purposes. Also it is irreplaceable in vehicles.

The design of this mechanism consists of the following items:

• Solenoid coil.
• Pilot hole.
• Plate solenoid valve.
• A Closing spring.
• Anchor valve coil.
• The Main flow hole.
• Aperture diaphragm of the amplifier.
• The Alignment of the flow opening mechanism.
• Forced opening of the valve which is actuated by a spring.

Solenoid valve 2109-go Vase and its principle of operation

In this mechanism is a kind of mechanical force created by the electromagnetic coil (it converts electricity into energy of the magnetic field.) As a result, the solenoid valve changes its position – can close and open. Input this part has an intake pipe at which the mechanism is gas or fluid.

Solenoid valve Vase includes a rubber (at least – plastic) membrane. It is pressed in the intake pipe, and can adjust the flow of the incoming fluid. The front side consists of the o-ring at the right time prevents the penetration of flux into the mechanism. The membrane is usually attached to a metal spring fixed at the opposite side of the valve.

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The Position of this mechanism depends on the metal rod which is placed under the coil. Upon excitation of the latter rod is moved under the influence of a magnetic field, but this time from the membrane leaves the o-ring. Therefore, the gas or liquid flow takes place in the electromagnetic valve. When the coil is switched off, the membrane under the influence of the spring is pressed against the sealing surfaces on the inlet.

Pressure valve

This detail, in contrast to conventional pumps that perform a similar function, does not have any mechanical devices in which the gas flow passes into the system. It is therefore important to keep the pressure difference at the inlet and outlet valve inlet. In order that the liquid is passed through a solenoid valve in the inlet tubing should form a higher pressure than the exhaust. If the given value is the same at both ends of mechanism, the flow will not take place in the working environment. This principle has the most modern valves, in addition to the devices of direct action (they can pass gas and liquid, regardless of pressure in the pipelines).