Features: Power mode：Close / Open 25 seconds. Manual mode：Press the button and rotate it This electric ball valve is made of high quality brass, durable for use. Specification: Types of connectors: DN15, DN20, DN25, DN32 Material: Copper & Plastic Voltage: AC220V 50 / 60Hz Power: maximum 6 W Medium: water, air, oil Operation: Motor and hand (with manual switch function) Maxmum working pressure: 1.6 MPa / 232psi Life time: 100000 times Ambient temperature: -15 ~ 50 ° C Signaling temperature: -5 ° C 100 ° C Protection class: IP 50 Application: This brass motorized ball valve is applicable to the air conditioning fan coil system and the heating system in the shutdown control, by the ball valve and the actuator composition. Actuator with synchronous motor drive, integrated limit contacts, the valve can be completely open or fully turned off when power, stable action.