... ,PPO parts,large output torque.18.Smooth flow, no block up19.Tight close, no leakage20.The power is cut ... for small equipment/HVAC Water treatment Small equipment for automatic control,Replacing solenoid valve, particularly when solenoid cannot work ... valve, electric valve, electronic valve.electric valve for water automatic control,brass or stainless steelmini motorized valve, actuated valve, motor ...