DC 12V Solenoid Valve 1/8 Inch Normally Closed

A solenoid valve turns electrical control into mechanical fluid control - energizing the coil creates a magnetic field that pulls open an internal plunger, letting fluid flow through a passage that stays sealed shut whenever power is removed. That normally-closed default state is a genuine safety feature for most automation use cases: if power fails or a wire comes loose, the valve fails safely shut rather than leaving a line stuck open.

Rated for a versatile range of media - water, air, gas, and general liquids - through its 1/8 inch NPT port, it handles the connection sizes common in small pneumatic and hobby-scale fluid projects. A sub-50ms response time means it reacts essentially instantly to a control signal, and its 1.2MPa operating pressure rating (with the ability to also function at 0 PSI/vacuum) covers a genuinely wide range of pressurized and unpressurized applications.

Common uses are automated watering and irrigation systems needing electronically controlled on/off flow, pneumatic tool and air-line control in DIY CNC or robotics projects, and general fluid-control automation (dispensing, flushing, gas shutoff) triggered from a microcontroller-driven relay.