DN20 3/4" Two wires control Normally Closed Electric Ball Valve,AC/DC9-24V Brass Motorized Ball Valve，With indication and manual

【Wide Range Of Voltage】 9V to 24V, both AC and DC can be used. 【All-metal Gears】 Internal all-metal gears. 【Built-in Position Indicator 】 The position indicator is built into the actuator ,can display the position directly. 【2-wires Normally Closed】 The valve open when power is applied and closed automatically when power is removed. 【With manual function】 For manual operation of the valve in case of unexpected power failure