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DN15–DN25 Normally Closed Solenoid Valve | Garden & Farm Irrigation
DN15–DN25 Normally Closed Solenoid Valve | Garden & Farm Irrigation
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DN15–DN25 Normally Closed Solenoid Valve for Garden & Farm Irrigation
Take precise control of your water flow with this CE-certified nylon solenoid valve, available in DN15 (1/2"), DN20 (3/4"), and DN25 (1") sizes. Compatible with both AC 220V/24V and DC 24V/12V power supplies, this versatile normally closed valve automatically shuts off water when de-energized — making it ideal for automated landscape irrigation systems, farm watering setups, garden drip lines, and more.
Key Features
- Three Size Options: DN15 (1/2"), DN20 (3/4"), and DN25 (1") to match your existing pipework
- Wide Voltage Compatibility: Works with AC 220V, AC 24V, DC 24V, and DC 12V power supplies for flexible installation
- Normally Closed Design: Valve remains closed when unpowered — conserves water and enhances system safety during power outages
- Durable Nylon & Plastic Construction: Lightweight, corrosion-resistant materials built to handle outdoor and agricultural environments
- CE Certified: Meets European safety and quality standards for reliable long-term performance
- Broad Applications: Perfect for landscape irrigation, farm watering, greenhouse systems, garden drip lines, and water control automation
- Easy Integration: Standard threaded connections for straightforward installation with most irrigation pipework
Specifications
| Sizes Available | DN15 (1/2"), DN20 (3/4"), DN25 (1") |
| Voltage | AC 220V / AC 24V / DC 24V / DC 12V |
| Operation Type | Normally Closed (NC) |
| Material | Nylon / Plastic |
| Certification | CE |
| Application | Landscape Irrigation, Farm, Garden, Greenhouse |
Perfect For
- Automated garden and landscape irrigation controllers
- Farm and agricultural water management systems
- Greenhouse drip and sprinkler automation
- DIY smart irrigation and home automation projects
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For more information on safe and efficient irrigation system design, visit the EPA WaterSense: Water-Efficient Irrigation Controllers resource.
Frequently Asked Questions
Q: What does "normally closed" mean for a solenoid valve?
A: A normally closed (NC) solenoid valve is closed by default when no electrical power is applied. Water only flows through the valve when it receives an electrical signal (is energized). This design is ideal for irrigation systems because it automatically stops water flow during power outages, preventing unintended flooding or water waste.
Q: Which voltage should I choose — AC 220V, AC 24V, DC 24V, or DC 12V?
A: The right voltage depends on your irrigation controller or power supply. Most residential irrigation timers use AC 24V solenoid valves. DC 12V or DC 24V options are popular for solar-powered or battery-operated systems. AC 220V suits setups wired directly to mains power. Check your controller's output spec before ordering.
Q: What pipe sizes is this solenoid valve compatible with?
A: This valve is available in three standard sizes: DN15 (1/2" BSP thread), DN20 (3/4" BSP thread), and DN25 (1" BSP thread). Choose the size that matches your existing irrigation pipe diameter for a secure, leak-free connection.
Q: Is this solenoid valve suitable for outdoor and agricultural use?
A: Yes. The valve is constructed from durable nylon and plastic that resist corrosion and weathering, making it well suited for outdoor landscape irrigation, farm watering lines, and greenhouse systems. Its CE certification also confirms it meets quality and safety standards for reliable long-term use.
