Technical Specifications Analysis of the SMC VQ7-6-FG-S-3Z-Q Solenoid ValveThe SMC VQ7-6-FG-S-3Z-Q is a five-port solenoid valve compliant with ISO standards, manufactured by SMC Corporation of Japan. This model belongs to the VQ7 series and features a compact structure, high flow capacity, and fast response. It is widely used in industrial automation control systems to control the movement of double-acting cylinders and other actuators.
3: DC24V; Z: Equipped with indicator light and overvoltage protection circuit
Q
Certification Standard
Q: Compliant with CE standards
II. Core Parameters and Performance
Feature
Specification
Remarks
Valve Type
Pilot-operated
Utilizes pressure differential to drive the main spool, offering low power consumption and high flow capacity
Number of Ports
5 ports (5-port)
1 supply port (P), 2 working ports (A, B), 2 exhaust ports (EA, EB)
Control Method
Single solenoid
Controlled by a single solenoid with spring return, automatically resets upon power loss
Connection Method
Terminal connection
DIN terminal block for easy wiring, installation, and maintenance
Port Size
1/4 (Rc1/4)
Typically Rc1/4 internal threads
Operating Pressure
0.15–1.0 MPa
Standard industrial air source pressure range
Ambient Temperature
-10 to 50°C
Standard operating ambient temperature range
Coil Voltage
DC24V
Standard DC voltage, equipped with indicator light and overvoltage protection
Protection Rating
IP65
Dust-tight and water-resistant, suitable for industrial environments
III. Structural Features and Advantages
ISO Standard Compliance: The VQ7 series solenoid valves adhere to ISO standards, offering strong interchangeability and ease of installation, making them suitable for global automation equipment.
Terminal Connection Design: Utilizes a DIN terminal block for wiring, simplifying installation and maintenance. The solenoid valve can be replaced without disconnecting pneumatic tubing.
Indicator Light and Overvoltage Protection: The coil includes an indicator light for easy on-site monitoring of the valve’s operational status. The overvoltage protection circuit enhances reliability and safety.
CE Certification: Compliant with CE standards, suitable for the European market, ensuring product safety and environmental compliance.
IV. Typical Application Scenarios
Automation Equipment: Controlling the extension and retraction of double-acting cylinders in applications such as robotic arms, material handling equipment, and assembly lines.
Industrial Automation: Providing reliable fluid control in various industrial automation systems.
Pneumatic Control Systems: Enabling precise on/off control in pneumatic control systems.
V. Summary
The SMC VQ7-6-FG-S-3Z-Q is a high-performance, ISO-standard five-port solenoid valve. Its terminal connection design ensures ease of installation and maintenance, while the indicator light and overvoltage protection enhance system reliability and safety. Its CE certification makes it suitable for global markets. This model is an ideal choice for controlling double-acting cylinders in industrial automation control systems, particularly in automated production lines where maintenance convenience and safety are critical requirements.
