Features 1、Made of high quality material, high hardness and corrosion resistance, long service life. 2、High accuracy G1/2" thread ensures tight connection, good sealing performance. 3、Strong structure, beautiful appearance, easy to install. 4、Keep constant current steady flow as well as preventing the dry burning and monitoring the flow. 5、Used in industrial control systems to adjust the direction, flow rate, speed and other parameters of the medium. Specification Features: Made of high quality material, high hardness and corrosion resistance, long service life. High accuracy G1/2" thread ensures tight connection, good sealing performance. Strong structure, beautiful appearance, easy to install. Keep constant current steady flow as well as preventing the dry burning and monitoring the flow. Used in industrial control systems to adjust the direction, flow rate, speed and other parameters of the medium. Specification: Material: Brass Applicable medium: water Type: normally closed Size (OD): G1/2" (20mm) Package List: 1* Electromagnetic Valve Package List