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API650 oil tank primary components installation of pressure-relieving devices

API650 oil tank primary components installation of pressure-relieving devices

API650 oil tank primary components installation of pressure-relieving devices

Unqualified welding quality of API650 oil tank primary components is prone to hidden dangers such as oil tank steel plate cracks and leakage. To avoid this situation as much as possible, it needs to be avoided when the oil storage tank is manufactured. Scientific and reasonable measures are adopted to control the welding quality when welding the API650 oil tank primary components. How to reasonably control the welding process quality of oil storage tanks?

Except as permitted by API standard 620 Q.8.6, the test shall be conducted after the entire tank is complete, before the insulation is applied. Except as limited by foundation or stress conditions, the test shall consist of filling the tank with water to the design liquid level and applying an overload air pressure of 1.25 times the pressure for which the vapor space is designed. The load on the supporting foundation shall preferably not exceed the established allowable bearing value for the tank site. Where a thorough evaluation of the foundation justifies a temporary increase, the established allowable bearing may be increased for the test condition, but the increase shall be not more than 25%.

The American standard API 650 design has been widely used. We can use our existing professional design knowledge to serve the construction projects of large API650 oil tank primary components storage tanks, oil tanks and water tanks. The company is a small and medium enterprise that can provide American standard API 650 design software, design qualifications, and design capabilities.

In December of 2015, our regular India customer sent us an inquiry for API650 oil tank primary components pipe. The inquiry requires no negative tolerance in both pipes’ outer diameter and pipe wall. After two weeks’ discussion, he put the order of 275 tons to us. The pipes are finished within just one month. Our customer come to our factory to inspect the quality and tolerance, all the products are well meet his demand. The pipes are arriving to Nhava Sheva port, customer is very happy with our products and service during the process.

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