API Std 650 aboveground steel oil storage tanks leg lengths

The floating roof is the top cover floating on the liquid level, so the sealing performance of API Std 650 aboveground steel oil storage tanks API 650 oil storage tank is very important. The floating plate mainly adopts elastic packing, and at the same time, it is compressed with the wall of API 650 oil storage tank with pressure strip around, and fixed with the floating plate with bolts. After the API Std 650 aboveground steel oil storage tanks floating plate is lowered to a certain position of about 1.8m, a prop will support the floating plate to keep it in position.

During heavy rain, closely observe the change of the water level in the storage area of the API Std 650 aboveground steel oil storage tanks. If the water level rises to the dangerous range, drain the water immediately. There are more thunderstorms in heavy rain, and lightning protection devices should be installed in the API Std 650 aboveground steel oil storage tanks area to avoid lightning accidents. Observe the groundwater level of the API Std 650 aboveground steel oil storage tanks area at any time, clean and dredge the drainage ditch in time to ensure unobstructed drainage, and prevent the bottom of the API Std 650 aboveground steel oil storage tanks from leaking and rusting due to untimely drainage.

The thickness of the API Std 650 aboveground steel oil storage tanks wall plate, t, required by 5.10.3 for the latitudinal unit forces, T2, acting at this level is 0.57 in. The nozzle neck is seamless steel pipe and conforms to ASTM A53, Grade A; the materials in the tank wall and reinforcing pad conform to ASTM A442 Grade 55. The main joints in the tank walls are fully radiographed, double-welded butt joints. The adequacy of the reinforcement and attachment welds shown in Figure F-7 shall be determined.
To determine the length of the nozzle neck within the limits of reinforcement, the smaller of the following calculated values shall be used:(2.5)(0.625) = 1.56 in.
(2.5)(0.375) + 0.75 = 1.69 in.

Our company will set up a full-time service engineer for the project, who is responsible for the interface and coordination of technical support and after-sales service of the API Std 650 aboveground steel oil storage tanks project. In response process of customer service center, in case of technical support and after-sales service demand, the user shall contact the full-time engineer of API Std 650 aboveground steel oil storage tanks customer service center, and the technical personnel will give corresponding answers and on-site treatment according to the needs of users.

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