1100 aluminum shapes API standard 650 open top welded storage tanks

The cone slope of the completed API standard 650 open top welded storage tanks foundation is 15/1000 for the general foundation and less than 35/1000 for the soft foundation. After the foundation settlement of the storage tank is basically stable, the surface slope must be greater than eight thousandths. The edge of the tank bottom should be more than 0.3 meters higher than the surrounding ground. Above the ground, the tank bottom leakage detection tube should be drawn from the foundation sand cushion and cross the foundation ring wall or the slope protection surface. The circumferential distance should be less than 20 meters, and each API standard 650 open top welded storage tanks should have at least 4 detection tubes.

Similarities between API 650 and API 620 tanks Both tanks are used for storage purposes. Both API 620 and API 650 containers API standard 650 open top welded storage tanks can be made of carbon steel, austenitic stainless steel and nickel alloy (only for low temperature).

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