Solenoid valves play a crucial role in modern fluid control systems, particularly in automation, irrigation, HVAC systems, and other industrial applications. Among the different types of solenoid valves, Normally Open (NO) solenoid valves are indispensable. They remain open in their default state and close only when activated by an electrical signal. China, a manufacturing powerhouse, is home to numerous solenoid valve manufacturers, offering a wide array of high-quality products for diverse industries. This article explores the importance of Normally Open solenoid valves and highlights some of the leading Chinese manufacturers in the industry.

The Role of Normally Open Solenoid Valves Normally Open solenoid valves are primarily used in applications where the default flow needs to be uninterrupted, with the ability to stop it only upon activation. These valves are commonly used in fluid control systems, where precise regulation of liquids and gases is required. The functionality of a Normally Open valve ensures that the flow path remains open until the solenoid coil is energized, at which point the valve closes to restrict the flow. These valves are utilized in many sectors, including HVAC systems, water treatment plants, industrial automation, and even in the medical field. Their reliability and precision in fluid handling make them an essential component of modern infrastructure.
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