·Valve body: forged brass, long uselife

·Actuator seat with stainless steel, Actuator crust with aluminum alloy

·Automatic spring return and uses safely.

·Synchronous hysteresis motor with fully closed and open

·Easy to assemble and demount actuator and valve by manual operation

·Rubber valve core: low noise when closing

·Two-line control on/off

·Two selectable voltage, AC220V or AC110V,50/60HZ