Explosion-proof heater is a heating element, heater shell, bi-metal thermometer, exhaust valve, thermostat switch expansion joint body composition. The device uses the MI cable is different from tubular heater, its shape is linear, the heating cable core and metal sheath heating temperature difference between the small thermal conductivity, good, reliable, long service life. Type of heating cable is made around the area after the heat exchange surface heat load is low, uniform heating, high thermal efficiency. Stainless steel sheath heating element and nickel plated, corrosion resistance is good. The series heaters to oil as heat transfer medium, the use of electric heating, heat pump to force liquid through the cycle of high efficiency heating equipment, widely used in various fields. Product Features: 
 The same power the smallest heater. 
 Heating element with a spiral structure, medium and heating elements can be fully heat exchanger, heating element does not exist because of heat accumulation phenomenon resulting from burst pipes. Dielectric heating up quickly, heat loss, energy-saving security. 
 The heating temperature of the medium can be set and a temperature display. Can effectively control the heat transfer surface of the power load, fuel oil can not only be stable, the expected oil temperature and the heat transfer surface of coke, which improve fuel combustion conditions, to improve thermal efficiency, and promote fuel-efficient energy saving, to achieve fuel automatic control of industrial furnace conditions. (User adjustable outlet temperature control), and temperature control, over-temperature alarm.