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Standard number for flat cover end caps

2018-02-11View Original

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In the pipe grade table attached to the \"Reference Manual for the Installation Design of Petrochemical Pipelines\", flat-end caps are specified for low-pressure pipes and smaller pipes with a diameter of DN100 or less; however, no standard numbers or catalog numbers are provided. How should the materials be selected in such cases? GB/T 12459-2017 \"Types and Parameters of Steel Butt-Welded Fittings\" and SHT 3408-2012 \"Steel Butt-Welded Fittings for Petrochemical Industries\" specify end caps for small pipes; however, in European standards, pipe caps are used only for pipes made of 25-kilogram alloy steel or 40-kilogram carbon steel and above.

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