Description
3/4 Inch 12V AC/DC UNI-D Solenoid Valve Normally Closed (NC)
The 3/4 Inch 12V AC/DC UNI-D Solenoid Valve is a durable 2/2-way normally closed (NC) solenoid valve designed for controlling the flow of air, water, light oil, and gases. Its direct-diaphragm design allows it to operate directly under low-pressure conditions, making it suitable for a variety of fluid and pneumatic control applications.
The valve features a brass body and an NBR seal, providing a practical and durable construction for long-term use. With a 3/4-inch port size and support for fluids with an operating viscosity below 20 CST, it can be used in various industrial and automated flow-control systems.
The 12V AC/DC operating voltage allows convenient electrical control. As a normally closed valve, it remains closed when not energized and opens when the solenoid is powered.
Key Features
- 3/4 inch UNI-D solenoid valve
- Normally Closed (NC) configuration
- 12V AC/DC operation
- 2/2-way valve design
- Direct-diaphragm construction
- Durable brass body
- NBR seal material
- Suitable for air, water, oil, and gases
- Can operate directly under low pressure
- Supports fluids with viscosity below 20 CST
- Pressure range up to 10 kg/cm²
- Suitable for industrial automation and flow-control applications
- Designed for convenient electrical opening and closing
Suitable Applications
The valve is suitable for controlling:
- Water
- Air
- Light oil
- Gases
- Low-viscosity fluids
- Pneumatic systems
- Industrial automation systems
- Fluid-control equipment
Installation & Precautions
Before installing the valve, make sure the pipeline is clean and free from contaminants or foreign material.
For longer service life, a Y-line filter should be installed at the front/inlet of the solenoid valve.
- AC voltage tolerance: ±10%
- DC voltage tolerance: ±1%
- Install the valve horizontally; vertical installation is not recommended.
Not Suitable For
According to the provided product information, the valve is not suitable for:
- Corrosive fluids
- Fluids with viscosity greater than 20 CST
- Fluids that are liquid at high temperature and become solid when cooled
Specifications
| Specification | Details |
|---|---|
| Valve Type | UNI-D Solenoid Valve |
| Port Size | 3/4 inch |
| Body Material | Brass |
| Working Fluid | Air, Water, Oil |
| Valve Configuration | Normally Closed (NC) |
| Valve Design | 2/2-way |
| Diaphragm Type | Direct Diaphragm |
| Operating Viscosity | Under 20 CST |
| Seal Material | NBR |
| Operating Voltage | 12V AC/DC |
| Pressure Range | 0–10 kg/cm² |
| Fluid Temperature | -5°C to 100°C |
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