WENK Pneumatic 5V Series Solenoid Valve
Product Detail
| Model | 5V210 | 5V220 | 5V230C | 5V230E | 5V230P |
| Working Pressure | 0.15-0.8 MPa (21-114 psi) | ||||
| Ambient Temperature | -20~70℃ | ||||
| Operating Media | Air (40µm filtered) | ||||
| Max. Withstand Pressure | 1.2 MPa (175 psi) | ||||
| MAX FREQ | 5 times/sec | ||||
| Lubrication Required | Lubrication-Free | ||||
| Material | Aluminum Alloy | ||||
5V Series Solenoid Valve User Manual

Product Introduction
The 5V Series Solenoid Valve from WENK Pneumatic represents a high-performance high-frequency pneumatic control component specifically designed for high-speed automation applications. As a specialized high-frequency valve, it operates at an impressive rate of once every five seconds, more than twice the speed of standard 4V series valves. Featuring an advanced pilot-operated design, this valve offers exceptional response speed, high flow capacity, and extended service life, making it ideal for precise control of gas or liquid flow in high-speed industrial automation systems. It finds广泛 application in high-speed packaging machinery, automated assembly lines, rapid sorting equipment, and other high-cycle operation scenarios.
Key Features:
- Pilot-operated design provides powerful driving force for reliable operation in low-pressure environments
- Specialized high-frequency design operating at 5-second cycle rate, more than twice as fast as standard 4V series
- Fast response and high switching frequency meet the demands of high-speed automation
- Modular design supports manifold mounting, saving installation space
- Multiple voltage options available to suit different control systems
- Built-in manual override button for easy debugging and emergency operation

Installation Steps
-
Pre-installation Preparation
- Verify that the product model and specifications match system requirements
- Confirm that the power supply voltage matches the solenoid valve rating
- Ensure the medium is clean; a filter with 40μm or higher precision is recommended
- Remove impurities, oil contamination, and moisture from the pipeline
-
Installation Process
- Correctly connect the inlet port (P), working port (A/B), and exhaust port (R/S) according to the arrow indicator on the valve body
- Wrap PTFE tape in a clockwise direction, with wrapping length not exceeding 80% of the thread length
- Avoid excessive force during installation to prevent damage to the valve body and threads
- Ensure the coil is installed vertically upward; horizontal or inverted installation is not recommended
- Reserve sufficient maintenance space, with at least 100mm clearance above the coil
-
Electrical Connection
- Turn off the power supply before connecting wires according to the wiring diagram
- Ensure secure connections to prevent poor contact
- For explosion-proof models, comply with relevant explosion-proof standard requirements
- After wiring is complete, check insulation performance to ensure safety
Pre-installation Preparation
- Verify that the product model and specifications match system requirements
- Confirm that the power supply voltage matches the solenoid valve rating
- Ensure the medium is clean; a filter with 40μm or higher precision is recommended
- Remove impurities, oil contamination, and moisture from the pipeline
Installation Process
- Correctly connect the inlet port (P), working port (A/B), and exhaust port (R/S) according to the arrow indicator on the valve body
- Wrap PTFE tape in a clockwise direction, with wrapping length not exceeding 80% of the thread length
- Avoid excessive force during installation to prevent damage to the valve body and threads
- Ensure the coil is installed vertically upward; horizontal or inverted installation is not recommended
- Reserve sufficient maintenance space, with at least 100mm clearance above the coil
Electrical Connection
- Turn off the power supply before connecting wires according to the wiring diagram
- Ensure secure connections to prevent poor contact
- For explosion-proof models, comply with relevant explosion-proof standard requirements
- After wiring is complete, check insulation performance to ensure safety

Operation Guide
-
Initial Use
- Manually test valve core movement for flexibility before powering on
- Slowly open the air supply and check for leaks
- Gradually adjust the working pressure to the rated value
- Perform no-load testing to confirm normal solenoid valve operation
-
Normal Operation
- Ensure working pressure remains within the rated range
- Avoid frequent start-stop cycles to reduce unnecessary valve operations
- Regularly check operating status to ensure proper solenoid valve response
- Record operating parameters and establish maintenance records
-
Special Working Condition Handling
- Implement anti-freezing measures when used in low-temperature environments
- Enhance waterproof and moisture-proof measures in humid environments
- Take shock absorption measures in high-vibration applications
- Monitor coil temperature during high-frequency operations
Initial Use
- Manually test valve core movement for flexibility before powering on
- Slowly open the air supply and check for leaks
- Gradually adjust the working pressure to the rated value
- Perform no-load testing to confirm normal solenoid valve operation
Normal Operation
- Ensure working pressure remains within the rated range
- Avoid frequent start-stop cycles to reduce unnecessary valve operations
- Regularly check operating status to ensure proper solenoid valve response
- Record operating parameters and establish maintenance records
Special Working Condition Handling
- Implement anti-freezing measures when used in low-temperature environments
- Enhance waterproof and moisture-proof measures in humid environments
- Take shock absorption measures in high-vibration applications
- Monitor coil temperature during high-frequency operations

Maintenance
-
Daily Maintenance
- Regularly clean the exterior of the valve body to maintain a clean surface
- Check for loose connections and tighten as necessary
- Observe the exhaust port for any abnormal conditions
- Record operating time and number of cycles
-
Periodic Maintenance
- Inspect the filter every 3 months and clean or replace the filter element as needed
- Check the condition of seals every 6 months and replace if aging is detected
- Conduct a comprehensive inspection annually, including coil insulation performance testing
- Adjust maintenance intervals based on usage frequency and environmental conditions
-
Long-term Storage
- Thoroughly clean the interior of the valve body before storage
- Disconnect power and air supply, and drain internal media
- Seal the interfaces to prevent dust ingress
- Store in a dry, well-ventilated environment away from direct sunlight
Daily Maintenance
- Regularly clean the exterior of the valve body to maintain a clean surface
- Check for loose connections and tighten as necessary
- Observe the exhaust port for any abnormal conditions
- Record operating time and number of cycles
Periodic Maintenance
- Inspect the filter every 3 months and clean or replace the filter element as needed
- Check the condition of seals every 6 months and replace if aging is detected
- Conduct a comprehensive inspection annually, including coil insulation performance testing
- Adjust maintenance intervals based on usage frequency and environmental conditions
Long-term Storage
- Thoroughly clean the interior of the valve body before storage
- Disconnect power and air supply, and drain internal media
- Seal the interfaces to prevent dust ingress
- Store in a dry, well-ventilated environment away from direct sunlight

Troubleshooting
-
Solenoid Valve Fails to Operate
- Possible Causes
- Power supply not connected or insufficient voltage
- Burned or damaged coil
- Stuck valve core or foreign object blockage
- Abnormal control signal
- Solutions
- Check power connections and voltage
- Measure coil resistance to confirm normal operation
- Disassemble and clean the valve core to remove foreign objects
- Inspect control signal wiring
-
Solenoid Valve Leakage
- Possible Causes
- Worn or aging seals
- Loose connections
- Damaged valve body or core
- Pressure exceeding rated value
- Solutions
- Replace seals
- Tighten connection points
- Inspect valve body and core, replace if necessary
- Adjust working pressure to within rated range
-
Slow Response
- Possible Causes
- Insufficient air supply pressure
- Clogged filter
- Worn valve core
- Aging coil
- Solutions
- Check the air supply system to ensure normal pressure
- Clean or replace the filter
- Inspect valve core for wear, replace if necessary
- Test coil performance, replace if necessary
-
Abnormal Noise
- Possible Causes
- Unstable air supply pressure
- Loose valve body
- Worn valve core
- Improper installation
- Solutions
- Check the air supply system and install a pressure stabilizing device
- Tighten the valve body and connections
- Inspect valve core for wear, replace if necessary
- Reinstall to meet requirements
Solenoid Valve Fails to Operate
- Possible Causes
- Power supply not connected or insufficient voltage
- Burned or damaged coil
- Stuck valve core or foreign object blockage
- Abnormal control signal
- Solutions
- Check power connections and voltage
- Measure coil resistance to confirm normal operation
- Disassemble and clean the valve core to remove foreign objects
- Inspect control signal wiring
Solenoid Valve Leakage
- Possible Causes
- Worn or aging seals
- Loose connections
- Damaged valve body or core
- Pressure exceeding rated value
- Solutions
- Replace seals
- Tighten connection points
- Inspect valve body and core, replace if necessary
- Adjust working pressure to within rated range
Slow Response
- Possible Causes
- Insufficient air supply pressure
- Clogged filter
- Worn valve core
- Aging coil
- Solutions
- Check the air supply system to ensure normal pressure
- Clean or replace the filter
- Inspect valve core for wear, replace if necessary
- Test coil performance, replace if necessary
Abnormal Noise
- Possible Causes
- Unstable air supply pressure
- Loose valve body
- Worn valve core
- Improper installation
- Solutions
- Check the air supply system and install a pressure stabilizing device
- Tighten the valve body and connections
- Inspect valve core for wear, replace if necessary
- Reinstall to meet requirements













