engleski

CORROSION INHIBITION OF EQUIPMENT UNDER HYDROSTATIC TEST – EXPERIENCE FROM ALGERIA

Hydrostatic test is essential step in integrity management of different pressure equipment, such as vessels, piping, valves etc. In spite of its corrosive characteristics, industries continue to use water for hydrotesting purpose, which then may cause various corrosion rates in relation with time of exposure to hydrostatic test, lay down period, time of retained water after drainage, origin of water, level of chlorides, oxygen content etc. Each case speaks for itself, yet after several projects carried- out in Algeria with selected VpCI® inhibitor, a database of water corrosivities and optimum dosage rates has been gathered.

corrosion, hydrostatic test, water corrosivity, inhibitors, dosage rate

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