understanding normally open solenoid valves： functionality and applications
Release time:2026-01-22 00:47:09
Normally Open Solenoid Valves (NOSVs) play an essential role in various industrial applications, providing automated control over fluid flow. This type of solenoid valve is designed to remain in an open position when de-energized, allowing fluid to flow freely through the valve. When electrical power is applied, the valve closes, interrupting the flow. In this article, we will explore the fundamental principles behind Normally Open Solenoid Valves, their functionality, benefits, and wide range of applications.
Principles of Operation
To understand how Normally Open Solenoid Valves work, it is crucial to comprehend their basic components. An NOSV typically consists of a valve body, solenoid coil, magnetic plunger, spring, and sealing elements. The valve body contains an inlet and an outlet, which connect to the fluid systems. The solenoid coil generates a magnetic field when electricity is applied, which attracts the magnetic plunger, thereby closing the valve.
In the default state, when no power is supplied, the spring holds the plunger in a position that keeps the valve open. This allows fluid to flow through the valve continuously. When power is applied to the solenoid, the magnetic field pulls the plunger, overcoming the spring force and sealing the valve. This design provides a straightforward solution for controlling fluid flow with minimal response time.
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