a comprehensive guide to stainless steel and plastic solenoid valve： features, applications, and selection criteria
Release time:2025-09-19 10:17:50
Solenoid valves are crucial components in fluid control systems, widely used in various industries due to their ability to automate and regulate the flow of liquids and gases. The two primary materials used in manufacturing solenoid valves are stainless steel and plastic, each offering distinct advantages depending on the application. This article explores the features, applications, and selection criteria of both stainless steel and plastic solenoid valves, highlighting their strengths and appropriate use cases.
1. What is a Solenoid Valve?
A solenoid valve is an electromechanical valve used to control the flow of a fluid (gas, liquid, or slurry) by using an electric current to create a magnetic field. This field activates a solenoid (a coil of wire) that, in turn, moves a valve plunger or diaphragm. The motion of the plunger or diaphragm either opens or closes the valve to control fluid flow.
There are two main types of solenoid valves： Normally Open (NO) and Normally Closed (NC). In NC solenoid valves, the valve is closed when de-energized and opens when energized. Conversely, in NO solenoid valves, the valve is open when de-energized and closes when energized.
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