This DC 12V Normally Closed Plastic Solenoid Valve is a reliable and versatile flow control solution designed for water and air media applications. Featuring a diaphragm structure, this valve automatically shuts off when power is cut, making it ideal for systems that require a fail-safe closed position. The compact design includes a 1/2 inch port size with threaded connections for straightforward integration into existing plumbing or pneumatic systems. Built from durable plastic, the valve body is well-suited for normal temperature water and air applications operating under medium pressure conditions ranging from 0.02 to 0.8 MPa. The valve is compatible with DC 12V power sources and features convenient spade terminal connectors for easy electrical hookup. Whether you are building an automated irrigation system, a water dispenser, or a fluid control circuit, this solenoid valve delivers dependable performance. Its standard diaphragm construction ensures consistent sealing and long service life across a wide range of applications.