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API650 petroleum and crude oil tanks anchorage

API650 petroleum and crude oil tanks anchorage

API650 petroleum and crude oil tanks anchorage

The salesman of the company is familiar with all aspects of knowledge. Understand the company profile: group, company profile, various honor certification, enterprise's functional strength and other advantages analysis. Know the main product brand types and specifications of the company, and know the special knowledge of the product (production process and advantages of the product, simple identification method of product quality, etc.)

The main reason of "small breathing" loss of API650 petroleum and crude oil tanks is the change of atmospheric temperature. When the temperature rises with the increase of solar radiation from dawn, the temperature of oil in the API650 petroleum and crude oil tanks also changes, resulting in the acceleration of evaporation speed and the increase of evaporation pressure. When the pressure exceeds the positive pressure rating of the breathing valve, the oil-gas mixture in the API650 petroleum and crude oil tanks is discharged into the atmosphere through the breathing valve, which is the "exhalation" process of the oil tank.

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 API650 petroleum and crude oil tanks may be emptied of water before the pneumatic pressure test begins. The test pressure shall be held for 1 hour.

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