HJCMOONB SPU-35
HJCMOONB SPU Series SPU-35 Solenoid Valve Instruction Manual
Model: SPU-35 | Brand: HJCMOONB
1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the HJCMOONB SPU Series SPU-35 Normally Close BSP Thread D16021 Coil 2 Way Direct Actuated Stainless Steel Water Solenoid Valve. Please read this manual thoroughly before installation and operation to ensure proper function and to prevent damage or injury.
2. Safety Information
- Always disconnect power before installing, servicing, or cleaning the valve.
- Ensure the valve is installed by qualified personnel in accordance with local codes and regulations.
- Verify that the operating voltage and pressure ratings of the valve match your system requirements.
- Do not exceed the maximum operating pressure or temperature specified for the valve.
- Wear appropriate personal protective equipment (PPE) during installation and maintenance.
- Avoid direct contact with hot surfaces during operation.
3. Product Overview
The HJCMOONB SPU Series SPU-35 is a normally closed, 2-way direct actuated solenoid valve designed for water applications. It features a stainless steel body, BSP thread connections, and an EPDM seal, suitable for various industrial and domestic fluid control systems. The D16021 coil ensures reliable electromagnetic actuation.
Figure 1: HJCMOONB SPU Series SPU-35 Solenoid Valve. This image displays the stainless steel valve body with a 1.5-inch BSP threaded inlet and outlet, and the black D16021 coil assembly mounted on top. The coil features a clear electrical connector and a green label indicating specifications.
4. Specifications
| Feature | Detail |
|---|---|
| Model | SPU-35 |
| Valve Type | Normally Close, 2-Way Direct Actuated |
| Body Material | Stainless Steel |
| Seal Material | EPDM |
| Connection Size | 1.5 Inch |
| Thread Type | BSP |
| Coil Model | D16021 |
| Operating Voltage | 220V |
| Orifice Diameter (SPU-35) | 35mm |
| Operating Pressure (SPU-35) | 0-10 bar |
| Item Weight | 12.3 ounces |
5. Setup and Installation
- Preparation: Ensure the power supply is off and the system pressure is relieved. Gather necessary tools and sealing materials (e.g., PTFE tape).
- Mounting: Install the valve in the correct flow direction as indicated by an arrow on the valve body. Ensure the valve is securely mounted to prevent vibration.
- Pipe Connections: Apply appropriate thread sealant to the BSP threads. Connect the inlet and outlet pipes to the valve, ensuring a tight, leak-free connection. Avoid overtightening.
- Electrical Connection: Connect the D16021 coil to a 220V AC power supply. Ensure wiring is done by a qualified electrician and conforms to all local electrical codes. The coil is designed for low power loss and continuous operation.
- Testing: Slowly restore system pressure and check for leaks. Energize the coil and verify proper valve actuation (opening and closing).
6. Operating Instructions
The SPU-35 is a normally closed valve, meaning it remains closed when de-energized and opens when the coil is energized with the specified 220V AC power. To operate:
- To Open the Valve: Apply 220V AC power to the D16021 coil. The electromagnetic force will lift the plunger, allowing fluid to flow through the valve.
- To Close the Valve: Remove the 220V AC power from the coil. The plunger will return to its seated position, stopping fluid flow.
The valve is designed for precise control and fast response, suitable for various fluid control applications.
7. Maintenance
Regular maintenance ensures the longevity and reliable performance of your solenoid valve. The durable materials and design contribute to a long product life.
- Periodic Inspection: Regularly inspect the valve for any signs of leaks, corrosion, or damage to the coil and body.
- Cleaning: If necessary, disconnect power and remove the coil. Carefully disassemble the valve (if applicable) and clean any debris from the internal components, especially the orifice and seal. Reassemble carefully, ensuring all seals are correctly seated.
- Seal Replacement: The EPDM seal is designed for durability, but if leaks occur or performance degrades, the seal may need replacement. Use only genuine replacement parts.
- Coil Check: Ensure the coil is free from excessive heat buildup or physical damage. The overheat protection function helps maintain safety during long-term operation.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Valve does not open | No power to coil Incorrect voltage Coil failure Debris in valve | Check power supply and wiring Verify 220V AC supply Replace coil Clean valve internals |
| Valve does not close completely | Debris on seal Damaged seal Residual magnetism | Clean seal area Replace EPDM seal Cycle power to demagnetize (if applicable) |
| Leakage from valve | Loose pipe connections Damaged seal Cracked valve body | Tighten connections Replace EPDM seal Replace valve |
| Coil overheating | Continuous operation beyond rating Incorrect voltage Internal short | Ensure proper duty cycle Verify 220V AC supply Replace coil |
9. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact your point of purchase. Keep your purchase receipt for warranty claims.