In on-site O&M, a common problem arises: in the same thermal oil system, ordinary electric heaters in explosion-proof areas require frequent replacement, terminal chamber seals tend to fail, temperature control is unstable, and O&M costs are high. To address these pain points, the FBD-620 explosion-proof electric heater provides a comparable solution in terms of structure, parameters, and application.
Ordinary electric heaters in explosion-proof areas require additional isolation measures, and their terminal chambers easily accumulate dust and moisture. The FBD-620 adopts a flameproof terminal chamber design with protection rating IP65, allowing direct installation in Zone 1 and Zone 2 explosive gas atmospheres. Compared with ordinary products, it reduces investment in isolation cabinets and additional wiring.
Thermal oil heating requires relatively high temperature control accuracy, while ordinary equipment has large temperature fluctuations. This model's explosion-proof terminal chamber can be equipped with a temperature controller according to user needs, enabling local adjustment, reducing dependence on control cabinets, and lowering failure points.
Rated voltage 380V, power 620kW, design pressure 1.6MPa, applicable temperature ≤300℃. The heating element uses a stainless steel sheath, and the flange standard is HG/T20592. O&M personnel need to regularly check the aging of the terminal chamber sealing ring and clean surface dust quarterly to ensure good heat dissipation. Compared with ordinary products, the maintenance cycle can be extended from monthly to quarterly.
Suitable for thermal oil circulation heating systems in industries such as petroleum, chemical, and pharmaceutical. In explosion-proof areas, no additional positive-pressure ventilation or isolation room is required, saving about 30% of installation space. For on-site O&M, the modular wiring design facilitates quick troubleshooting and reduces downtime.
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
