AIR DUCT HEATER AIR DUCT TYPE ELECTRICAL HEATER is made of sheath house ( steel alloy, stainless steel ,or other as your design), finned heating elements, inside with thermal insulators for keeping air temperature, wire connect box, thermocouple, inlet hole, outlet hole,temperature controller Temperature range of AIR DUCT TYPE ELECTRICAL HEATER Low temperature: less than 160 degree Celsius (insulators thickness: 80mm)Middle temperature : from 160 degree Celsius to 200 degree Celsius (insulators thickness:100mm to 150mm)High temperature: from 200 degree Celsius to 650 degree Celsius (insulators thickness: 300mm) Application of AIR DUCT TYPE ELECTRICAL HEATER : 1, the chemical industry - oil chemistry, polymer industry, reaction tanks, distillation, concentration.2, Plastics Industry - Plastics fired, extruded shape.3, the textile industry - resin setting machines, dyeing machines, drying rooms, high-temperature machine, drum machine.4, the rubber industry - rubber vulcanization heating.5, the food industry - cooking, drying, vegetable oil refining.6, Forest Products Industry - plywood, polystyrene board, fibreboard heat setting.7, the paper industry - multi-layer cardboard carton packaging, drying, and dry.8, Other - metal plating tank of heating, condensation coating, drying, distilling the pharmaceutical industry, reduction, concentration and dehydration DUCT TYPE ELECTRICAL HEATER : 1.During heating, air max temperature can reach 650 degree Celsius, but the surface temperature of the shelth is just around 50 degree Celsius2.Heat efficient is more than 95%3.Temperature raise rate : 10 degree Celsius per second during working4.The heating elements is made of high temperature alloy with good mechanical character5.Usage time:standard more than 10 years6.Clean air, small volume7.Made as client design8.After reached the max temperate, the working wattage can reduce to half Shortage of AIR DUCT TYPE ELECTRICAL HEATER : 1.Surface pressure : less than 0.3kg/cm22.Just can be used to heat air
