Brass N/C Solenoid Valve 12V 24V 220V – G1/2" & G3/4" Water Flow

Brass Normally Closed Electric Solenoid Valve – 12V / 24V / 220V | G1/2" & G3/4"

Take precise control of your water flow with this heavy-duty normally closed (N/C) electric solenoid valve. Crafted from solid brass, it delivers outstanding durability, corrosion resistance, and reliable operation in both high-temperature and high-pressure water systems. Compatible with 12V DC, 24V DC, and 220V AC power supplies, this valve suits a wide variety of residential and commercial fluid-control applications.

Key Features

• All-Brass Construction: Solid brass casting ensures wear resistance, anti-corrosion properties, and long-lasting high-temperature performance.
• Normally Closed (N/C) Design: Valve stays closed when de-energised — automatically shutting off water flow for added safety and energy efficiency.
• Multi-Voltage Compatible: Works with 12V DC, 24V DC, and 220V AC systems — great for solar water heaters, appliances, and automated plumbing setups.
• Dual Port Sizes: Available in G1/2" and G3/4" to match standard plumbing configurations.
• Steady Flow Control: Functions similarly to a pressure-regulating or flow-switch valve — maintains consistent flow and helps prevent dry-run conditions in connected equipment.
• Wide Pressure Range: Handles water pressures from 0.02 MPa up to 0.8 MPa.
• Long Service Life: Rated for over 100,000 operating cycles.
• CE Certified: Meets EU Low Voltage Directive standards for safety and performance.
• Manual Override: Includes manual actuator for operation during power outages or testing.

Specifications

Water Flow Characteristics

Compatible Applications

• Solar water heaters & standard water heaters
• Intelligent drinking fountains & water purification systems
• Steam machines & energy-saving air-conditioning systems
• Water treatment & cooling equipment
• Automated irrigation & fluid-control plumbing

What's in the Box

• 1 × Electric Solenoid Valve (Brass, N/C)

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For further guidance on safe plumbing components and standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What does "Normally Closed" mean for this solenoid valve?

A: A normally closed (N/C) solenoid valve remains in the closed position when no electrical power is applied. When voltage is supplied (12V DC, 24V DC, or 220V AC), the valve opens to allow water flow. This is ideal for safety-critical systems where you want the water supply to stop automatically during a power outage.

Q: Is this solenoid valve suitable for hot water systems like solar water heaters?

A: Yes. This brass electric solenoid valve is rated for media temperatures of up to 55°C, making it well-suited for solar water heaters, standard water heaters, and other warm-water applications. Its all-brass construction provides excellent heat and corrosion resistance for long-term reliability.

Q: Which port size should I choose — G1/2" or G3/4"?

A: Choose the port size that matches your existing plumbing connections. G1/2" (½ inch BSP) is common in smaller residential appliances and drinking water systems, while G3/4" (¾ inch BSP) is typically used in larger plumbing lines, water heaters, and irrigation systems. Check your pipe fitting specifications before ordering.

Q: Can I operate this valve manually if there is no power?

A: Yes. This solenoid valve includes a manual actuator, allowing you to open or close it by hand during power outages or for testing purposes — a very useful safety and maintenance feature.