VXD232CLA: SMC Pilot-Operated 2-Port Solenoid Valve, the Precise Fluid Control Expert for Industrial Automation

Product Introduction​

The VXD232CLA is a pilot-operated 2-port solenoid valve manufactured by Japan’s SMC Corporation, belonging to the VXD series. Featuring a pilot-operated structure, this valve offers rapid response, high reliability, and low power consumption. It is widely used in industrial automation control systems to provide precise directional control solutions for pneumatic actuators.

Core Product Advantages​

1. Pilot-Operated Structure Design​ Utilizes a pilot-operated structure where the pilot valve is controlled by electromagnetic force. The differential pressure of the medium drives the main valve core, making it suitable for high-pressure, high-flow scenarios. It features low power consumption and fast response.
2. Rapid Response Performance​ Response time ≤ 30ms, ensuring swift action to meet the demands of high-frequency on/off industrial control. The maximum operating frequency reaches 5 Hz, guaranteeing a sensitive system response.
3. Low Power Consumption and Energy-Efficient Design​ Features an energy-saving circuit design with a power consumption of only 0.6W, promoting energy efficiency and environmental friendliness. It is equipped with an overvoltage protection circuit to ensure device safety.
4. High Reliability Design​ Rated for a withstand pressure of 1.05 MPa and a maximum operating pressure of 0.7 MPa. Constructed with stainless steel or aluminum alloy valve bodies, it offers excellent corrosion and wear resistance, ensuring long-term stable operation.

Technical Parameters​

Parameter Item	Specification	Description
Series	VXD Series	Product Series
Valve Size	3	Valve Body Size (8A/10A/15A)
Valve Configuration	N.C.	Normally Closed Type
Valve Body Material	C37	Valve Body Material Code
Port Size	1/2 Inch	Air Circuit Interface
Orifice Diameter	10mm	Orifice Diameter
Operating Pressure Range	0.1~0.7MPa	Working Pressure Range
Maximum Operating Pressure	0.7MPa	Maximum Working Pressure
Withstand Pressure	1.05MPa	Pressure Resistance
Operating Fluids	Air, Water, Hot Water, Oil, Hot Oil	Working Medium
Ambient Temperature Range	-10~60°C	Operating Temperature Range
Piston Speed Range	50~500mm/s	Speed Adjustment Range
Lubrication Type	Non-Lubricated	Lubrication Method
Protection Rating	IP65	Ingress Protection Rating
Weight	Approx. 0.3kg	Product Weight

Model Analysis​

• VXD:​ SMC pilot-operated solenoid valve series code.
• 232:​ Valve Size 3, Valve Configuration N.C. (Normally Closed).
• C:​ Valve Body Material C37, Port Size 1/2 inch, Orifice Diameter 10mm.
• L:​ Voltage DC24V, Lead Wire Type: Direct Lead Wire.
• A:​ No Indicator Light / No Overvoltage Protection Circuit.

Working Principle​

The VXD232CLA employs a pilot-operated solenoid valve structure. When the solenoid coil is energized, the electromagnetic force attracts the pilot valve core, opening the pilot port. This causes the pressure in the upper chamber of the main valve core to drop rapidly, creating a pressure differential (lower pressure above, higher pressure below) around the main valve core. The fluid pressure pushes the main valve core upward, opening the valve and allowing compressed air to enter the cylinder’s rodless side, extending the piston. When de-energized, the electromagnetic force dissipates. The pilot valve core resets under spring force, closing the pilot port. The pressure in the upper chamber of the main valve core increases, and under the combined action of spring force and fluid pressure, the main valve port closes. Compressed air then enters the cylinder’s rod side, retracting the piston.

Typical Application Scenarios​

1. Industrial Automation Production Lines​ Used in automated production lines for automotive manufacturing, electronic device production, etc., to control the directional actions of pneumatic actuators such as cylinders and grippers. This enables pushing, positioning, clamping, and transporting of workpieces, enhancing production efficiency and product quality.
2. Packaging Machinery​ Controls actions such as material conveying, sorting, and marking in packaging machines. The solenoid valve enables directional control of pneumatic actuators, ensuring precision and stability in the production process.
3. Robotics Technology​ Serves as the pneumatic control system for robots, controlling the directional actions of pneumatic actuators to grasp, position, and place workpieces, improving robotic motion accuracy and efficiency.
4. Precision Manufacturing Equipment​ Used in equipment for semiconductor manufacturing and precision machining to control the motion accuracy of pneumatic actuators, ensuring process stability and repeatability, and enhancing product quality.

Installation and Usage Considerations​

1. Installation Requirements​ The solenoid valve should be installed on a flat, stable base to ensure stable operation. Before installation, verify that the air source pressure meets the 0.1~0.7 MPa requirement and ensure the air source is clean. During installation, pay attention to the direction of the valve’s inlet and outlet ports; the arrow on the valve body should align with the medium flow direction. The valve must not be installed in reverse. The solenoid coil section should be installed vertically upward, with a tilt angle not exceeding ±30°.
2. Operating Environment​ The operating temperature range is -10~60°C; avoid use in excessively high or low temperatures. Maintain appropriate relative humidity levels to prevent moisture from affecting equipment lifespan. The operating medium should be filtered through a 40 µm or finer filter before use.
3. Electrical Connection​ Strictly follow the voltage parameters indicated on the coil nameplate for wiring. The power supply voltage should be DC24V ±10%, and stability must be ensured. When connecting wires, ensure secure connections to prevent loosening that could cause the solenoid valve to malfunction. It is recommended to install an overload protection device in the circuit.
4. Regular Maintenance​ Regularly inspect the solenoid valve’s connecting pipes and valves to ensure no leaks. Periodically clean the solenoid valve surface to maintain cleanliness. Routinely check the solenoid valve’s operational performance to ensure long-term stable operation. After prolonged shutdowns, it is recommended to perform an air purge before restarting.
5. Safe Operation​ Ensure the equipment is properly grounded before operation to prevent electric shock risks. Avoid contact with moving parts during operation to prevent injuries. In case of equipment malfunction, stop operation immediately and have it repaired by professionals. Always depressurize before installation to prevent injuries from high-pressure medium discharge. Do not exceed the product’s rated pressure, temperature, and medium specifications.

Closing Summary​

The VXD232CLA pilot-operated 2-port solenoid valve is the “efficient control core” in the field of industrial automation. It perfectly combines a pilot-operated structure, rapid response, and low-power consumption design, providing efficient, reliable, and energy-saving directional control solutions for various industrial applications.

Choosing the VXD232CLA means selecting high response speed and high reliability to drive your automation system toward greater efficiency!

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