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Solenoid Valve

Pneumatic Solenoid Valve

A solenoid valve is an electromechanical valve that controls the flow of fluids in a system. It uses an electrical signal to operate a solenoid, which opens or closes the valve, allowing or blocking the flow of liquids or gases. Solenoid valves are widely used in industries where automated flow control is required, such as in pneumatic, hydraulic, and process systems. Pneumatic solenoid valves and air solenoid valves are especially common in applications involving compressed air and gas systems.

Introduce


A solenoid valve is a type of valve that is automatically driven by an electrical signal and controlled remotely. It uses an electrical signal to operate a solenoid, which opens or closes the valve, allowing or blocking the flow of liquids or gases. 

Solenoid valves are widely used in industries where automated flow control is required, such as in pneumatic, hydraulic, and process systems. Pneumatic solenoid valves and solenoid valves are especially common in applications involving compressed air and gas systems.

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What is a Pneumatic Solenoid Valve?


A pneumatic solenoid valve is One Kinds Of solenoid valve that operated by a Pneumatic actuator, which is a coil of wire that, when energized, creates a magnetic field to move a plunger or armature within the valve. 

This movement either opens or closes the valve, regulating the flow of fluid through the valve. Pneumatic operated means using compressed air systems to control or regulate the pressure,speed and content Of fluids. 

The structure solenoid valve include Solenoid coil, pilot valve, main valve body, spool (or valve core), spring, sealing elements, connection ports, housing and electrical terminals and its application areas include automation equipment, industrial manufacturing, food/pharmaceutical industry, automotive and electronics industry, air compression system/gas supply pipeline



Advantages Of Pneumatic solenoid valve

Quick response: It can be activated within a few milliseconds after power on, suitable for high cycle automation systems.

Simple structure and easy maintenance: modular design makes it easy to disassemble and replace components.

Low power consumption: The control part only requires short-term current drive, which is energy-saving and environmentally friendly.



Pneumatic solenoid valve Function



Control airflow direction: By switching through electromagnetic signals, change the direction of compressed air flow.

Drive execution components: used to control the actions of cylinders, pneumatic claws, pneumatic motors, etc.

Implement logical control: It can be combined with automation systems such as PLC to achieve multi-step logical control.



Application of Pneumatic solenoid valve

Automated equipment: such as packaging machines, assembly lines, and handling systems that control cylinder movements.

Industrial manufacturing: used for fluid switching and position control in factory automatic control systems.



Types of Pneumatic Solenoid Valves


A pneumatic solenoid valve is One Kinds Of solenoid valve that operated by a Pneumatic actuator,Fokcavalve Provided different Types Of Pneumatic solenoid valve,different methods and passage structures play different roles:


 2QS Stainless Series Air Control Two way Valve

 3-Way Solenoid Valve

 5-Way Solenoid Valve

 High Temperature Solenoid Valve

 Open Series Solenoid Valve



Pneumatic Solenoid Valve Specifications Table


Parameter 
Pneumatic solenoid valve
Control TypeSingle Solenoid / Double Solenoid
Port SizeG1/8", G1/4", G3/8", G1/2"
Operating Pressure0.15 – 0.8 MPa (1.5 – 8 bar)
Pilot Pressure≥ 0.15 MPa
Working MediumFiltered compressed air
Ambient Temperature-10°C to +50°C
Operating Temperature5°C to 60°C
Coil Voltage OptionsDC24V, AC110V, AC220V



How Does A Pneumatic Solenoid Valve Work


A pneumatic solenoid valve is One Kinds Of solenoid valve that operated by a Pneumatic actuator,they work by using an electric current to activate the solenoid, which in turn moves a plunger or armature inside the valve body. 

This movement either opens or closes the valve, allowing or blocking the flow of the fluid. 

In pneumatic solenoid valves, the solenoid's movement controls the flow of compressed air or gases, regulating pressure and direction in the system. 

The solenoid coil's activation is typically controlled by a switch or controller that sends an electrical signal to the valve.

Know more detail information about pneumatic solenoid valve,you can browse our technology article



How to Check Pneumatic Solenoid Valve


Check pneumatic solenoid Valve has dual functions of electromagnetic control and preventing medium backflow, which is crucial for saving space and cost, simplifying system design, improving system safety, and simplifying pipeline design.


Visual Inspection: 

Check for any signs of external damage, leaks, or debris that may be obstructing the valve.


Electrical Check: 

Ensure the solenoid coil is receiving the correct electrical signals. Use a multimeter to measure the coil’s resistance to ensure it's functioning properly.


Manual Operation: 

Manually operate the solenoid valve (if applicable) to check whether it opens and closes properly when activated.


Pressure Test: 

Apply the correct pressure to the system and verify that the valve is effectively controlling the flow of fluid.


Test for Leakage: 

After operation, check for any leakage around the valve seals, which could indicate wear or malfunction.



How To Test Variable Valve Timing Solenoid


Testing a Variable Valve Timing solenoid involves checking its electrical operation, mechanical function, and oil flow.You can follow the steps of Step by Step Testing as follows:


Check for Diagnostic Trouble Codes which can indicate a faulty VVT solenoid or oil flow issues


Locate the VVT Solenoid Disconnect the electrical connector and remove


Inspect for Physical Damage Include clogging and broken wires


Electrical Test and Measure resistance


Voltage & Bench & Oil Flow Test


Reinstall & Verify Operation



For more detailed inquiries or specific pneumatic solenoid valve solutions, reach out to Fokca which is global Pneumatic valves supplier for expert advice and tailored recommendations,or you can contact us !


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