Features:

· Air 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