12V DC 1/2 Inch Electric Solenoid Valve | Normally Closed Water Air Valve Switch

The 12V DC 1/2 Inch Electric Solenoid Valve is a normally closed valve operating at 12V DC with 600mA to 1A current draw, rated for 0.02 to 0.8MPa pressure, weighing 100 grams, fitted to standard 1/2 inch pipe threads. The 600mA to 1A current range in this solenoid valve’s specification reflects a real physics characteristic — the internal coil’s resistance rises as it heats up during operation, causing current draw to start near 600mA when cold and settle toward 1A as the coil warms, meaning power supply sizing should use the upper 1A figure to avoid undervoltage during steady-state operation.

The 12v solenoid valve 1/2 inch’s normally closed design makes it the right choice for irrigation timers, dispensing systems, and safety shutoffs where flow should stop automatically if power is cut rather than continuing uncontrolled. A practical installation consideration for this electric solenoid valve in water pipe systems is water hammer — rapidly switching the valve open and closed in quick succession creates pressure shocks that travel through the pipeline, so gradual switching intervals or pressure regulators upstream help protect fittings and joints in longer pipe runs.

this air solenoid valve and water control application requires continuous 12V energization to stay open, drawing steady current and generating coil heat the entire time flow is needed, so applications requiring the valve to stay open for extended periods should account for continuous current draw in power budget calculations. This valve is perfect for building timed irrigation systems and automated 12v water air valve switch project.

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Features:

• 600mA cold-start to 1A warm current range suits accurate power budgeting
• Normally closed default blocks flow safely during power loss
• 0.02-0.8MPa range covers household water and low-pressure air systems
• 1/2 inch thread fits standard plumbing and pneumatic pipe fittings
• Compact 100-gram body for easy inline pipeline installation

Technical specifications:

 Applications:

• Solenoid Valve used for Arduino timed irrigation control build
• College project uses solenoid valve price for flow control demo
• RO purifier uses 12v solenoid valve 1/2 inch for India water inlet control
• Pneumatic system uses electric solenoid valve for low-pressure air switching
• Garden timer uses air solenoid valve for automated drip irrigation

Package includes:

• 1 x 12V DC 1/2 Inch Electric Solenoid Valve