Supplemental Requirements for Equipment in Sour Service

Equipment in som service, as set forth in the process data sheet or in the mechanical drawings, should strictly comply with the requirements of NACE/6/ standard MR 0175, as supplemented by the following. [Pg.82]

Service Rating-face temperature pressure Basic material Valve body/ trim Corrosion allowance [Pg.83]

Caustic (stress relieved) Class 1 SO.rf Carbon steel Carbon steel Monel 3.18 mm (0.125 ) [Pg.83]

General process Class 150.rf399°C (750 °F) max. Carbon steel Carbon steel 11-13 Cr None [Pg.83]

Mildly corrosive Class 1 SO.rf 399°C Carbon steel Carbon steel 2.54 mm [Pg.83]

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