Tags: Nozzles

Reactors External Inspection

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1. Nozzles Visually inspect gasket faces if opened, ORJ gaskets and bolting material. On vessels with pressure sealed gaskets check for distortion, corrosion, and cleanliness. 2. Shell a. Obtain UT thickness measurements at representative locations on shell and heads. b. For Isomax reactors, ultrasonically shear wave top and bottom heads, headto-nozzle welds, head-to-shell welds, nozzles, […]

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Distillation Columns External Inspection Prior to Entry

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1. Support and Foundations Distillation columns are usually supported by a cylindrical skirt which usually s fireproofed inside and outside with concrete, brick, or other insulating material. Inspect the fireproofing material carefully for evidence of cracking, spalling, or defective seal at the top edge. Water which penetrates the insulation can cause severe corrosion of the […]

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