1. Introduction
This manual provides essential information for the safe and efficient use of the DDC-JQ series Solenoid Vacuum Charging Valves. Please read this manual thoroughly before installation and operation. Keep this manual for future reference.
2. Safety Information
Always observe the following safety precautions to prevent injury and damage to the equipment:
- Ensure power is disconnected before installation or maintenance.
- Only qualified personnel should perform installation and servicing.
- Verify that the valve's specifications match the system requirements.
- Avoid exposing the valve to extreme temperatures, corrosive environments, or excessive vibration.
- Do not modify the valve in any way.
3. Product Overview and Components
The DDC-JQ series Solenoid Vacuum Charging Valves are designed for controlling vacuum charging processes in various electrical and industrial applications. The series includes models DDC-JQ40, DDC-JQ50A, DDC-JQ65, and DDC-JQ80, each with specific characteristics.
Each valve typically consists of a solenoid coil, valve body, and connection ports. Specific designs may vary slightly between models.
4. Specifications
| Feature | Description |
|---|---|
| Product Type | Solenoid Vacuum Charging Valve |
| Models | DDC-JQ40, DDC-JQ50A, DDC-JQ65, DDC-JQ80 |
| DIY Supplies Category | Electrical |
| Electronic Components | No (refers to complex electronic circuits, the solenoid itself is an electrical component) |
| High-Concerned Chemical | None |
| Origin | Mainland China |
| Approx. Package Dimensions (L x W x H) | 22 cm x 22 cm x 11 cm |
| Approx. Package Weight | 3.5 kg |
5. Installation and Setup
- Preparation: Ensure the system is depressurized and power is off. Gather necessary tools (wrenches, wire strippers, etc.).
- Mounting: Securely mount the solenoid valve in the desired position. Ensure it is easily accessible for maintenance and inspection.
- Pneumatic/Vacuum Connections: Connect the vacuum lines to the appropriate ports on the valve. Ensure all connections are tight and leak-free.
- Electrical Wiring: Connect the electrical wires to the solenoid coil terminals. Refer to the system's wiring diagram for correct polarity and voltage. Ensure connections are insulated and protected from environmental factors.
- Testing: After installation, slowly re-pressurize the system and check for leaks. Apply power to the valve and test its operation according to the system's control logic.
Note: Specific wiring diagrams and connection details may vary by model and application. Consult your system's documentation for precise instructions.
6. Operation
The DDC-JQ series solenoid valves operate by converting an electrical signal into mechanical action to open or close a vacuum path. When the solenoid coil is energized, it creates a magnetic field that moves a plunger, thereby changing the valve's state.
- Energizing the Coil: Apply the specified voltage to the solenoid coil terminals. This will activate the valve, typically opening the vacuum path.
- De-energizing the Coil: Remove the voltage from the solenoid coil. This will de-activate the valve, typically closing the vacuum path.
- System Integration: The valve's operation is usually controlled by a larger system's PLC or control unit, which sends electrical signals to the valve based on process requirements.
Important: Do not exceed the rated voltage or current for the solenoid coil, as this can cause overheating and damage.
7. Maintenance
Regular maintenance ensures the longevity and reliable operation of your solenoid vacuum charging valve.
- Routine Inspection: Periodically check for signs of wear, corrosion, or damage to the valve body, coil, and connections.
- Leak Checks: Regularly inspect all vacuum connections for leaks. Tighten or replace seals as necessary.
- Cleaning: Keep the exterior of the valve clean and free from dust, dirt, and debris. Avoid using harsh chemicals that could damage the valve materials.
- Coil Inspection: Check the solenoid coil for signs of overheating (discoloration, melted insulation). Replace if damaged.
- Seal Replacement: Over time, internal seals may degrade. If the valve shows signs of internal leakage or improper operation, consider replacing the internal seal kit (if available for your model).
Caution: Always disconnect power and depressurize the system before performing any maintenance.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Valve does not activate (no click sound) | No power to coil; Incorrect voltage; Damaged coil; Wiring error. | Check power supply; Verify voltage matches valve rating; Test coil continuity; Inspect wiring connections. |
| Valve activates but does not open/close fully | Contamination in valve; Worn internal components; Insufficient pressure differential. | Clean valve internals; Replace worn parts/seal kit; Check system pressure. |
| Vacuum leak around valve connections | Loose connections; Damaged seals/gaskets; Improper thread sealant. | Tighten connections; Replace seals/gaskets; Apply appropriate thread sealant. |
| Valve overheats | Over-voltage; Continuous duty cycle for intermittent valve; High ambient temperature. | Verify correct voltage; Ensure valve is rated for continuous duty if required; Improve ventilation. |
9. User Tips
No specific user tips were available from customer reviews or Q&A for this product. General best practices for solenoid valves include:
- Always ensure the valve is compatible with the media (e.g., air, inert gas, vacuum) and pressure range of your application.
- Consider installing a filter upstream of the valve to prevent particulate contamination, which can lead to premature wear or malfunction.
- For critical applications, have a spare valve or seal kit on hand to minimize downtime.
10. Warranty and Support
Specific warranty terms for this product are not provided in this manual. For detailed warranty information, technical support, or service inquiries, please contact your original point of purchase or the manufacturer directly.
The seller offers free returns within 90 days. Please refer to the seller's return policy for more details.
