... pollution conditions.5.Good substitution for solenoid or pneumatic valve.6. High protection class,can be worked in ... ,washing machines,water heaters,industrial humidifier.6.Solar thermal,under-floor,rain water,irrigation,plumbing service,hot ... Product/Service (We Sell): electric valve,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter, ...