... Parameter of XK-23S/side evaporative air cooler,factory ventilation system: Voltage/frequency: 380~4150V/50~60HZ Air flow: ... supply and drainage function. 5).Automatic control water-supply system,open type water theif,divide water fluency,automatic clearing, ... :almost all the required cooling or ventilation of the premises are available,such as:workshop,supermarket,office. 6. How does XINGKE industrial ...