1-inch 220V Solenoid Valve – Reliable Automated Fluid Control
Need to automatically start or stop the flow of water, oil, or compressed air? This 1-inch solenoid valve, powered by 220V AC, provides precise, leak-proof control every time. Designed for seamless integration into existing pipework, it is highly versatile and capable of operating even in low-pressure or gravity-fed systems.
Note: This is a Normally Closed (NC) solenoid valve — it opens when energised and closes automatically when the power supply is cut.
Why choose this model? (Key Benefits):
- Zero-pressure operation — The direct-acting design with a wet armature makes it perfect for gravity-fed irrigation or tank systems without pumps, where standard valves often fail.
- Corrosion-resistant brass body — Built to withstand pressures up to 10 bar and fluid temperatures ranging from -5°C to +100°C, including hot domestic water.
- IP65-rated coil — Fully protected against dust and water jets, making it suitable for both outdoor installations and industrial environments.
- 25mm flow orifice — Ensures a generous flow rate for DN25 systems with minimal pressure drop.
- Versatile compatibility — Equipped with NBR seals, it is ideal for water, mineral oil, and compressed air systems.
- Easy installation — Standard 1-inch threading allows for quick integration into existing pipework without the need for complex adapters.
Performance and Specifications
When the 220V AC / 22W coil is energised, the electromagnetic field pulls the plunger to instantly open the 25mm orifice. When the power is disconnected, the return spring ensures the valve closes tightly, preventing leaks without manual intervention. The NBR (Nitrile Butadiene Rubber) seal ensures a reliable, airtight fit for cold water, hot water, or mineral oil.
Important: Installation must follow the direction of the arrow marked on the valve body. Installing it in the wrong direction will prevent the valve from opening correctly.
| Parameter | Specification |
|---|---|
| Operation Type | Normally Closed (opens when powered) |
| Body Material | Brass |
| Valve Type | Direct-acting, wet armature |
| Thread Size | 1 inch (DN25) |
| Operating Pressure | 0 – 1.0 MPa (0 – 10 bar) |
| Supply Voltage | 220V AC / 50Hz |
| Power Consumption | 22W |
| Flow Orifice | 25 mm |
| Seal Material | NBR (Nitrile Rubber) |
| Compatible Media | Water, Mineral Oil, Compressed Air |
| Fluid Temperature | -5°C to +100°C |
| Protection Rating | IP65 |
| Installation Direction | As indicated by the arrow on the body |
| Weight | approx. 897 g |
Package Contents
- 1x 1-inch 220V AC Electromagnetic Solenoid Valve – Brass Body
- 1x Pre-installed IP65 Electromagnetic Coil
Frequently Asked Questions
Does it work without line pressure?
Yes. The direct-acting, wet armature construction allows the valve to open at zero pressure. It does not rely on fluid pressure to function, making it ideal for gravity-fed systems or unpressurised tanks.
Can I use this for hot water or heating systems?
Yes. With a maximum fluid temperature of +100°C, it is perfectly compatible with domestic hot water and standard heating circuits.
How do I connect it to an automation system or timer?
The valve connects directly to a 220V AC / 50Hz power source. It can be controlled by any relay, timer, or controller capable of switching 220V. When the circuit is closed, the valve opens; when the circuit is broken, it closes automatically.
Which fluids are incompatible with the NBR seal?
NBR seals are not suitable for aggressive organic solvents, concentrated acids, or aromatic hydrocarbons. For these applications, PTFE or EPDM seals are required. This product is specifically certified for water, mineral oil, and compressed air.
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