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3-way water solenoid valve

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Product Summary

A 3-way water solenoid valve refers to a 3-way water valve controlled by a solenoid device. A solenoid is an electromechanical device which allows for an electrical device to control the flow of a gas or liquid. The electrical device causes a current to flow through a coil located on the solenoid valve. This current flow in turn results in a magnetic field which causes the displacement of a metal actuator.

The actuator is mechanically linked to a mechanical valve inside the solenoid valve. A spring is used to return the actuator and valve back to their resting state when the current flow is removed. A computer device running a factory automation program to fill a container with some liquid can send a signal to the solenoid valve to open, allowing the container to fill, and then remove the signal to close the solenoid valve and stop the flow of liquid until the next container is in place. A gripper for grasping items on a robot is frequently an air controlled device. A solenoid valve can be used to allow air pressure to close the gripper, and a second solenoid valve can be used to open the gripper. If a two way solenoid valve is used, two separate valves are not needed in this application.

Solenoid valves come in various configurations and sizes. Solenoid valves can be normally open, normally closed, or a two way valve. A normally open solenoid valve allows a liquid or gas to flow through unless a current is applied to the solenoid valve. A normally closed valve works in the opposite manner. A two way solenoid valve has three ports; one port is common, one is normally open and the third is normally closed.

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