Introduction
This manual provides essential instructions for the proper installation, operation, and maintenance of the Diversitech VLC-12 Valve. The VLC-12 is a durable valve designed for various industrial and plumbing applications. Please read this manual thoroughly before installation and use to ensure safe and efficient operation.

Figure 1: The Diversitech VLC-12 Valve. This image displays the valve, which features a brass hexagonal fitting on one end and a copper-colored, curved body with an internal screw mechanism on the other. The overall appearance suggests a robust and functional component.
Setup and Installation
Proper installation is crucial for the optimal performance and longevity of the VLC-12 valve. It is recommended that installation be performed by a qualified professional.
Safety Precautions:
- Ensure the system is depressurized and drained before beginning installation.
- Wear appropriate personal protective equipment (PPE), including gloves and eye protection.
- Verify that the valve's specifications match the system requirements.
Installation Steps:
- Prepare the Connection Points: Clean and prepare the pipe ends where the valve will be installed. Ensure they are free of debris and burrs.
- Apply Sealant (if necessary): Depending on the connection type, apply appropriate thread sealant or PTFE tape to the male threads of the pipe.
- Position the Valve: Align the VLC-12 valve with the pipe ends, ensuring the flow direction (if indicated) is correct.
- Tighten Connections: Hand-tighten the connections, then use a wrench to tighten securely. Avoid over-tightening, which can damage the valve or piping.
- Test for Leaks: Once installed, slowly repressurize the system and carefully check all connections for leaks. Address any leaks immediately.
Operating Instructions
The Diversitech VLC-12 valve is designed for straightforward operation. Specific operation will depend on its application within a larger system.
- Opening the Valve: Turn the valve's operating mechanism (e.g., handle, stem) in the direction indicated for opening.
- Closing the Valve: Turn the valve's operating mechanism in the direction indicated for closing. Ensure it is fully closed to prevent leakage.
- Flow Control: For throttling or flow regulation, adjust the valve to the desired position.
Maintenance
Regular maintenance helps ensure the long-term reliability and performance of your VLC-12 valve.
- Periodic Inspection: Regularly inspect the valve for any signs of wear, corrosion, or leakage.
- Cleaning: Keep the exterior of the valve clean. Avoid using harsh chemicals that could damage the materials.
- Lubrication (if applicable): If the valve has moving parts requiring lubrication, use only lubricants compatible with the valve materials and the fluid being handled.
- Seal Replacement: If seals show signs of wear or leakage, they should be replaced by a qualified technician using genuine Diversitech replacement parts.
Troubleshooting
This section addresses common issues you might encounter with the VLC-12 valve.
| Problem | Possible Cause | Solution |
|---|---|---|
| Valve Leaks |
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| Difficulty Operating Valve |
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| Reduced Flow Rate |
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If troubleshooting steps do not resolve the issue, contact Diversitech customer support or a qualified technician.
Specifications
| Brand | Diversitech |
| Model Number | VLC-12 |
| Part Number | VLC-12 |
| Item Weight | 3.2 ounces |
| Product Dimensions | 6 x 3.75 x 1 inches |
| Item Package Quantity | 1 |
| Included Components | Other Material Handling, hydraulic-valves |
| Batteries Required? | No |
| Date First Available | May 20, 2016 |
Warranty and Support
For information regarding warranty coverage, technical support, or to purchase replacement parts, please contact Diversitech directly.
Visit the official Diversitech website for contact details: www.diversitech.com





