This International Standard specifies requirements and gives recommendations for the design, materials, fabrication, inspection, testing, preparation for shipment, and erection of fired heaters, air preheaters, fans and burners for general refinery service.

This International Standard is not intended to apply to the design of steam reformers or pyrolysis furnaces.

This edition of API Std 560 is the identical national adoption of ISO 13705, Petroleum, petrochemical and natural gas industries- Fired heaters for general refinery service.