Efficiency is no longer optional in many automated fluid and gas systems. In today's fast-paced industrial environment, accuracy, reliability, and efficiency are no longer optional, but essential. The core component of many automated fluid and gas control systems is the solenoid valve. When performance is the most important and high-quality solution When performance is crucial, choosing high-quality solenoid valves becomes key to ensuring seamless operation, reducing downtime, and long-term cost savings.
Pneumatic Solenoid Valve：
Generally speaking, pneumatic solenoid valves are specialized in controlling the flow of compressed air and are widely used in pneumatic systems such as industrial automation, robotics, and other control systems related to gas flow. Its design optimizes the control of gas flow, especially in terms of high response speed and pressure resistance. The well-known Pneumatic Solenoid Valve on the market
High Quality Solenoid Valve：
Then, high-quality solenoid valves refer to solenoid valves with excellent performance and reliability, suitable for flow control of various media (gases, liquids, steam). It usually has higher working standards, more precise control, and durability, and can meet complex and demanding industrial needs.
Pneumatic Solenoid Valve：
Pneumatic solenoid valves also use electromagnetic coils to control the movement of the valve core. It controls the flow direction, pressure, and speed of compressed air and is commonly used in pneumatic systems. According to the position of the valve core, air can flow through the valve port or the valve port can be closed to prevent airflow.
The working principle of high quality solenoid valve:
High quality solenoid valve is an automation component that uses electromagnetic principles to control the flow of gases, liquids, or vapors. It generates magnetic force through the excitation of electromagnetic coils, which drives the movement of valve cores or plungers, thereby precisely controlling the switching, flow direction, or pressure of fluids. The specific working principle is as follows:
electromagnetic driver
When current passes through an electromagnetic coil, a magnetic field is generated inside the coil. This magnetic field will drive the valve core (or plunger) to move inside the valve body, thereby opening or closing the valve port. The action of solenoid valves is usually controlled by the on/off of current.
direct acting solenoid valve
In a direct acting solenoid valve, current generates magnetic force through a coil, directly driving the movement of the valve core.
When current passes through the electromagnetic coil, the magnetic field acts on the valve core, pulling it away from the closed position and allowing fluid to pass through the opening of the valve body. After power failure, the valve core automatically returns to its original position under the action of the spring and closes the valve port.
Direct acting solenoid valves are suitable for low flow or low-pressure applications.
Pilot operated solenoid valves operate the valve core by combining the pressure of the main medium with electromagnetic force.
The electromagnetic coil first drives a small valve core to control the flow of high flow media. Typically, this type of valve is designed to be complex and can handle high flow or high pressure applications.
This type of solenoid valve consumes less electricity and is suitable for controlling large flow gases or liquids.
Valve Body: The valve body is the framework of the entire solenoid valve, including inlet and outlet ports, control ports, and fluid channels.
Valve core: The valve core is the core component of an electromagnetic valve, which directly contacts the fluid and is responsible for opening or closing the valve port.
Normally closed (NC): When power is cut off, the valve closes, and when current is passed in, the valve opens.
Normally open (NO): The valve opens when power is cut off and closes when current is passed in.
Double Active: There are two electromagnetic coils that control the forward and reverse directions of the valve core.
Single electric control: The valve is controlled by an electromagnetic coil and is commonly used for simple switch control.
Dual electronic control: The valve is controlled by two electromagnetic coils for precise control of airflow direction, commonly used for directional control in pneumatic systems.
Pneumatic Solenoid Valve：
The structure of pneumatic solenoid valves is relatively simple, usually consisting of electromagnetic coils, valve bodies, and valve cores. They focus on controlling gas flow and are commonly found in automated production lines and pneumatic control systems.
High Quality Solenoid Valve：
High quality solenoid valves typically have more complex structures, requiring highly corrosion-resistant materials and more precise designs. The valve body is usually made of corrosion-resistant and high-temperature resistant materials such as stainless steel, brass, aluminum alloy, plastic, etc., and has processing performance.
Electromagnetic coil materials include copper or aluminum wires, which are lighter in texture and have good conductivity
Rubber materials are commonly used for the sealing part of solenoid valves, especially in liquid control systems. Different types of rubber have different high temperature resistance, corrosion resistance, and compression resistance properties. Choosing the appropriate rubber material is crucial for ensuring the sealing performance of solenoid valves.
Other materials
Gasket and O-ring materials
stainless steel spring
titanium alloy
The design focuses on stability and long-term reliability in harsh environments, suitable for a wide range of industrial applications such as chemical, pharmaceutical, petroleum and other industries.
Pneumatic Solenoid Valve：
The main function of pneumatic solenoid valves is to control gas flow, especially compressed air. Its functions include: controlling the switch, direction, and speed of airflow, usually used to control components such as pneumatic actuators and cylinders.
High Quality Solenoid Valve：
High quality solenoid valves have multifunctionality and can accurately control the flow of various fluids. They are suitable for controlling various working environments, including liquids, gases, and vapors. Its main functions include flow control, direction control, pressure regulation, etc.
High Quality Solenoid Valve：
High quality solenoid valves come in various types depending on the control medium, including liquid, electrical, and steam control valves. Common types include direct acting valves, pilot operated valves, three-way valves, four-way valves, etc.
High quality solenoid valves are widely used in industries that require precision rainbow hose noise with high flow control and high reliability, such as chemical processing, liquid transportation, automated production, food and beverage processing, etc. They are suitable for various complex processes and fluid control applications.
High Quality Solenoid Valve：
With the development of industrial automation and intelligence, high-quality solenoid valves will gradually move towards intelligence and digitization. The intelligent solenoid valve integrating Internet of Things (IoT) technology will enable remote monitoring, fault diagnosis, and real-time control, thereby improving the reliability and performance of the equipment.
As a professional valve manufacturer with over a decade of expertise, Fokca leverages strong and production capabilities to provide a full range of custom valve solutions.
Our product portfolio covers Angle Seat Valves, Globe Control Valves, Axial Valves, Ball Valves, Diaphragm Valves, Air Solenoid Valves, Check Valves, and dozens of other categories.
We support deep customization, including special materials, non-standard sizes, and intelligent control module integration.
Our products are certified by API, ISO, and DIN, ensuring compliance with the rigorous requirements of industries such as oil & gas, chemical processing, power generation, and metallurgy.
They also meet regulatory standards across the EU, North America, and the Middle East.
Embracing IoT technology, we have developed smart monitoring valves that enable remote fault diagnostics and predictive maintenance,
helping our customers reduce costs and improve efficiency.
With the mission of "Made in China, Serving the World," we have established long-term partnerships in over 30 countries.
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