Flameproof heating mantles are also designed in the capacity of 5,10,20,50,100 and 200 liters ranging from 600W to 7200W. The working voltage is 230V or 440v as per wattage. The flameproof heating mantles are protected with its elements are protected inside FLP terminal box. The heating tubes are also covered in magnesium oxide and anti-corrosive S.S. Tubing. The heating element sheet is earth through junction box. This prevents sparking or short circuit in the event of spillage. To prevent any heat loss and better insulation, fiberglass cloth is used to cover heating elements, ceramic insulating blanket and glass wool. A good quality LM-6 grade aluminum casting is used for outer body of switch enclosure, cold junction box that provides protection.