API standard 650 stainless and carbon steel tank supported cone roofs

Volatilization is the characteristic of oil. Under normal temperature and pressure, as long as the oil is in contact with air, the surface will volatilize. Through scientific analysis and summary, the causes of oil volatilization loss in API standard 650 stainless and carbon steel tank are: natural ventilation loss, static storage loss, dynamic liquid level loss. In the use of API standard 650 stainless and carbon steel tank, static storage loss and dynamic liquid level loss are common losses.

Before pressure test, the main drain hose system of API 650 petroleum storage tank floating roof should be thoroughly flushed. Provide blind flanges, gaskets and bolts required for the API standard 650 stainless and carbon steel tank test (other types of covers are also required if necessary). Covers for maintenance shall be provided in accordance with the interfaces specified by API 650 petroleum storage tanks, and these seals shall remain in place after the test; and for those interfaces that are not provided for maintenance covers, the covers can be removed after the API standard 650 stainless and carbon steel tank test.

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