API 650 ground supported flat-bottom tanks of adequate safety
Welding certification is regulated by Section 10 of the American Society of Mechanical Engineers (ASME). For both API 650 ground supported flat-bottom tanks storage tank API 650, non-destructive inspection is required, but third-party inspection is not required.
Low-pressure Storage Tanks for Liquefied Hydrocarbon GasesAPI 650 ground supported flat-bottom tanks Primary Components: In general, primary components include those components that may be stressed to a significant level, those whose failure would permit leakage of the liquid being stored, those exposed to a refrigerated temperature between –60°F and –270°F, and those that are subject to thermal shock. The primary components shall include, but will not be limited to, the following parts of a single-wall tank or of the inner tank in a double-wall tank: shell plates; bottom plates; roof plates; knuckle plates; compression rings; shell stiffeners; and manways and nozzles including reinforcement, shell anchors, pipe, tubing, forgings, and bolting.
During the use of API 650 ground supported flat-bottom tanks, the tank material is prone to crack and leakage under the action of pressure, corrosion, wear and other conditions. Especially in the oil producing area, the temperature difference in four seasons is large and the natural environment is bad, which will accelerate the consumption of oil storage tank and cause many potential safety hazards. Therefore, the API 650 ground supported flat-bottom tanks must undergo strict inspections before being put into use after the production and installation are completed, so as to avoid cracks and leakage in short-term use and affect production safety.
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