Central Humidification Plants The productivity in textile mills are greatly influenced by psychometric conditions of the internal environment namely, temperature & humidity of the air. The humidification-ventilation-air conditioning [HVAC] plant with automatic controls ensures optimum inside humidity condition & dust-free environment. Features: - Controlling of relative humidity & dry-bulb temperature by data processors based controllers. - Dust & fluff free clean environment, by filtering return air through rotary air filters with auto clean attachment. - Dirt / lint is removed through jet spray and the spray water is cleaned by rotary water filter. - Water & air flow are controlled through three way control valves & dampers attached with actuator respectively.