This International Standard specifies requirements and provides guidance for the selection, design, specification, operation and maintenance of flares and related combustion and mechanical components used in pressure-relieving and vapour-depressurizing systems for petroleum, petrochemical and natural gas industries. Although this International Standard is primarily intended for new flares and related equipment, it is also possible to use it to evaluate existing flare facilities. Annexes A, B and C provide further guidance and best practices for the selection, specification and mechanical details for flares and on the design, operation and maintenance of flare combustion and related equipment. Annex D explains how to use the data sheets provided in Annex E; it is intended that these data sheets be used to communicate and record design information.
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