Alclad 3003 aluminum tube API Std 650 self-anchored tank
The construction period comparison of mechanical cleaning and manual cleaning for vertical storage tank, API Std 650 self-anchored tank. The API Std 650 self-anchored tank mechanical cleaning period is short, and the construction period is not affected by the size of the storage tank and the amount of sludge in the tank, and the cleaning equipment operates 24 hours a day. The manual cleaning of the API Std 650 self-anchored tank has a long construction period, which is easily affected by the external environment, and the number of workers is limited by the size of the storage tank and the amount of sludge.
All welded seams in the API Std 650 self-anchored tank bottom, and complete penetration and complete fusion sidewall-to-bottom welds, shall be inspected by means of a vacuum box test as described in Q.8.2.1. Sidewall-to-bottom welds not having complete penetration and complete fusion shall be inspected by means of either a vacuum box test of the inside weld as described in API 620 specification Q.8.2.1, or where approved by the Purchaser, a direct pressure solution film test as described in Q.8.2.2.
Before pressure testing, thoroughly flush the API 650 tank floating roof primary drain hose system. Supply API Std 650 self-anchored tank blind flanges, gaskets, and bolting (for other types of blanking covers as may be required) necessary for testing.
On November 1st, our company organized some of company staff to visit Zhengzhou Children Welfare Institute, and gave children cookies and toys, as well as concerns to the Children. With the development of the society, disabled children gets increasing concerns and help from all walks of life. Fortunately, Chinese Government gives high concern to the handicapped children and has built Children Welfare Institutes all over the country to guarantee their lives.
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