![]() ![]() ![]() In most flow control applications, it is necessary to start or stop the flow in the circuit to control the fluids in the system. When the solenoid coil is energized in a normally open valve, the plunger seals off the orifice, which in turn prevents flow. Once the solenoid coil is energized, the resultant magnetic field raises the plunger, enabling flow. In normally closed valves, a plunger return spring holds the plunger against the orifice and prevents flow. Solenoid valves consist of a coil, plunger and sleeve assembly. A plunger opens or closes the orifice by raising or lowering within a sleeve tube by energizing the coil. Solenoid valve function involves either opening or closing an orifice in a valve body, which either allows or prevents flow through the valve. They are often used to replace manual valves or for remote control. How a solenoid valve works is by controlling the flow of liquids or gases in a positive, fully-closed or fully-open mode. They are used in systems requiring low flow capacities or applications with low-pressure differential across the valve orifice. ![]() While Direct operated solenoid valves directly open or close the main valve orifice, which is the only flow path in the valve. Their main purpose is to regulate the movement of gas or liquid and eradicate the need for an engineer to manually control the valve, saving time and money. Solenoid valves are electromechanically operated valves that convert electric energy into mechanical energy. ![]()
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