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In normally closed valves, a return spring keeps the plunger pressed against the orifice, preventing the passage of flow.

It converts electrical energy into a mechanical pull/push action. Solenoid valves are made up of an assembly consisting of a coil, a plunger, an electrical connector, and a guide tube. Normally, it only has open and closed positions. Basics of Solenoid ValveĪ solenoid valve is an electromechanical device designed to on/off flow control that circulates through a conduit.

What is a Solenoid Valve? Basics of Solenoid Valve Types of Solenoid Valves Tools Required for Solenoid Valve Test Solenoid Valve Testing Procedure KeywordsĪ wide range of solenoid applications makes it necessary to know its characteristics and operation in order to handle it properly.