API Std 650 closed top welded storage tanks shell attachments
Suggested Practice Regarding Installation of Low-pressure storage tanksAccess: All openings and accessories for tanks API Std 650 closed top welded storage tanks constructed according to this standard shall be installed so that any periodic inspections required can be readily made.Corrosion: When a tank bottom rests directly on the ground, a survey shall be made to establish the need for cathodic protection.Drainage: All tanks in which water might accumulate under the hydrocarbon contents shall be provided with adequate drains that are suitably protected from freezing.
The company has been engaged in the design, construction and installation of foreign API 650 standard API Std 650 closed top welded storage tanks storage tanks for a long time. It has the international qualification of ASME welding technology, has the design ability of API 650 oil tanks and API 650 storage tanks, and has pressure vessel design and manufacturing license and GC pressure pipeline installation license. Certificate, API Std 650 closed top welded storage tanks petrochemical equipment pipeline general contracting qualification, safety production license, international trade import and export license.
In December of 2015, our regular India customer sent us an inquiry for API Std 650 closed top welded storage tanks 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.
}Prefabrication requirements for API Std 650 closed top welded storage tanks, large vertical storage tanks:1. The machined surface of the edge of the steel plate should be smooth, and there should be no defects such as slag inclusion, delamination, cracks, etc., and the surface hardened layer produced by the flame cutting groove should be removed.2. Dimension deviation after steel plate processing: the deviation of plate width is less than 1.5 mm, the deviation of plate length is less than 2 mm, and the difference between diagonals is less than 3 mm.
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