Pneumatic ComponentChina AC220V AC380V DC24V Solenoid Valves G1/2′′ 16 Bar Auto Drain Valve with Pneumatic Timer, Find details about China Electric Timer Auto Solenoid Electronic Drain, Electric Timer Auto Drain from AC220V AC380V DC24V Solenoid Valves G1/2′′ 16 Bar Auto Drain Valve with Pneumatic Timer