High performance Intelligent Controller

Single-speed fan intelligent controller FJ1/HF with heat retaining valve,has the function of opening and closing the heat retaining valve.It is mainly used in exhaust air,pressurization air supply,fire smoke exhaust, etc. It can control fans such as inlet fans,exhaust fans,return fans, fresh air units,air conditioning units, cooling tower fans, small capacity blowers,induced draft fans and jet fans.