API Std 650 self anchored flatbottom tanks inspecting requirements

Facilities for API 620 storage tanks InspectorThe manufacturer shall afford the inspector all reasonable facilities for testing and inspection and shall provide mutually agreeable advance notification to permit the examiner to witness all tests of the equipment and materials during fabrication, including all laboratory tests of the material to be used and all hydrostatic and pneumatic tests at the site of erection.The API Std 650 self anchored flatbottom tanks inspector shall be permitted free access to all parts of the plant concerned with the manufacture of the tank during fabrication and to all parts of the plants of material suppliers who are concerned with the manufacture of materials to be used in the tank.The vent pipe mouth should be 4m or more above the ground. The nominal diameter of the API Std 650 self anchored flatbottom tanks API 650 petroleum storage tank vent pipe should be no less than 50mm and a flame arrestor should be installed.our company offered 2950 ton A36 steel API Std 650 self anchored flatbottom tanks plate to Philippines customer, which was used to build water supply project. It is the government project. The procurement with their project engineer come to China to discuss this project in middle of 2016. After checking the mill, they signed the contract with us. we supply the ASTM A36 Original Mill Test Certificate Stamped.Tank cracks are common API Std 650 self anchored flatbottom tanks defects, mainly including tank wall cracks, internal cracks, weld zone cracks. The reason for these defects may be that the defects not exceeding the standard existed in the early stage of API Std 650 self anchored flatbottom tanks construction, which become obvious after the later use. Or in the process of using the API Std 650 self anchored flatbottom tanks, the tank body material generated new defects due to corrosion, pressure, wear and other reasons, and tank cracks.From the order to the delivery, there are three quality inspections to ensure that the qualified rate of finished products is more than 100%. We promise that every order will be tracked in a timely manner to ensure that customers can receive goods safely and constantly listen to their opinions and suggestions, reflect on our own problems, and let customers feel at ease. We have a large warehouse in Shanghai and Tianjin, which can provide customers with sufficient sources of supply.