A516 Gr 65 plates API 650 self-anchored flat-bottom tanks

Generally, external environment corrosion should be considered before design and construction of API 650 self-anchored flat-bottom tanks and so on storage tanks. The corrosion on the outer surface of storage tank is often worse than that on the inner surface. Especially in the chemical industry area, there are often acid fog, alkali or salt dust in the atmosphere. These impurities form an active corrosive medium with dew or steam and oxygen in the atmosphere. The corrosion of the external environment of the storage tank shortens the maintenance period of the storage tank, even causes the storage tank to be scrapped in advance, which affects the normal operation of the storage and transportation.

API 620 Crude Oil Tank Pneumatic Pressure
An air pressure equal to 1.25 times the pressure for which the vapor space is designed shall be applied to the enclosed space above the water level. In the case of a double-wall tank with an open-top inner tank, where the air pressure acts against the outer tank and the inner tank is thus not stressed by the air pressure, the inner API 650 self-anchored flat-bottom tanks may be emptied of water before the pneumatic pressure test begins. The test pressure shall be held for 1 hour.

API 650 is the standard for welded tanks for oil storage. It specifies the design, manufacturing, welding, inspection and installation requirements of oil tanks. API 650 API 650 self-anchored flat-bottom tanks is widely used in storage tanks with internal pressure less than or equal to 2.5 PSI, used to store products such as crude oil, gasoline, chemicals, and produced water. BBN has extensive experience in API 650 self-anchored flat-bottom tanks API 650 tanks with diameters between 8'-300', suitable for refineries, terminals, pipeline facilities and other customers.

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We have a professional production team and high-quality production equipment, and we also have a great API 650 self-anchored flat-bottom tanks advantage in price, with its own factory, large-scale production to reduce the price. Strictly control each production line to ensure the API 650 self-anchored flat-bottom tanks production of high-quality steel plates, steel pipes and other products that meet customer requirements.