Scelerin - API 560 direct fired process heaters and furnaces for oil refinery, petrochemical, and chemical applications including crude, CCR, and hydrotreater units, EDC pyrolysis and steam superheaters. Services include new design and fabrication, heater revamps and replacements, engineering studies, replacement parts, and emergency response. Non-API horizontal and vertical direct fired heaters; convection heaters, waste heat recovery systems, and thermal oxidizers; component heaters and packaged systems