氧气管道国外技术施工方案-Procedure--statement---Chemical-Cleaning-of-Oxygen-pipeline

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Requirements for oxygen cleaning
氧气管线脱脂要求
This class of service requires essentially complete removal of contaminant such as
hydrocarbon, greases, oils, thread lubricants, dirt, water, fillings, scale, weld spatter, chips, fluxes, paints, v
arnishes,
crayon marks
, rust, powdered metal oxides, excelsior, packing materials, labels or any other foreign material.
Many of these materials, especially hydrocarbons and oils, can react violently in the presence of oxygen, causing fires or explosions. Ot ...

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关键词：Procedure statement Statemen Cleaning pipeline