Electric immersion heaters type FLGT50÷450 comprises of a heating unit and a box for the electrical connections.
Protection type is Ex db IIC T4 ÷ T1 for category 2G and Ex db IIC T4 ÷ T3 Ex tb IIIC T135°C-T200°C IP65 for category 2GD.
The heating unit comprises one or more sheathed heating elements, fixed to the container to be heated by means of a flange.
The terminal board box can be fitted directly to the assembly flange or at a distance from it by means of a neutral extension.
The box may house temperature control instruments (thermostats, thermocouples, thermo elements, etc.), self-regulating heating wire or finned anticondensation heaters and a pressure switch for pressure control inside the box, if required.