API Std 561:2026

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Reforming Furnaces for Hydrogen and Synthesis Gas Production in General Refinery and Petrochemical Services, First Edition

standard by American Petroleum Institute , 02/01/2026

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API Std 561:2026 PDF

This standard specifies requirements and guidance for the design, specification, materials, refractory lining systems, fabrication, inspection, testing, and preparation for shipment of direct-fired heaters, including air preheaters, fans, and burners for general refinery service.