Electrical heating system. They have an electrical resistance ( 1+1Kw) that heats the cold air that enters the lower part of the appliance and then expels it though the upper part, therefore offering instant, thermostat regulated heating.
Applications: Drying machines for serigraphy, leather, ceramic.
KELVIN blower fans, with 230V-50Hz phase shift ring asynchronous motors, are capable of delivering a high air flow rate between 120 and 320 m3/hour with low vibration-free counterpressures to achieve an excellent sound level. You can find it in single version with the engine in one end, or with double fan and central motor. These fans do not need maintenance, they can operate in continuous service S1