API standard 650 open-top tanks undercut

Compared with the external floating roof API standard 650 open-top tanks, the internal floating roof API standard 650 open-top tanks has the advantages of protecting the floating roof from wind and rain and ensuring the quality of liquid storage under the floating roof. At the same time, because the inner floating plate is in the tank, there is no rain and snow load, so the central drainage pipe and escalator and other accessories on the floating plate can be omitted. In addition, under the same sealing conditions, the internal floating roof tank can further reduce the evaporation loss compared with the External floating roof tank.

Structural shapes of 9% and 5% nickel steel may be furnished to the chemical and physical requirements of ASTM A353, A553, or A645. Physical tests shall be in accordance with the requirements of ASTM A6.
API standard 650 open-top tanks used Piping, Tubing, and Forgings
Material used for piping, tubing, and forgings shall be compatible in welding strength, and thermal expansion coefficient with the tank shell material. In addition to the specific requirements of this appendix, all piping within the limitations of 1.3.2 shall fulfill the minimum requirements of ASME B31.3.

Analyze the advantages and disadvantages of the products against the competitive products. Understand the industry situation and future trend. Understand the API standard 650 open-top tanks product brand positioning appeal point, focus on the crowd and development direction. Understand the layout of each market area, and form a big strategic layout view. Understand the basic operation and assessment standards of work responsibilities. Understand the situation of the cooperative customers.

Floating roofs shall comply with API Standard 650, Appendix C (Attachment 01) or with the API standard 650 open-top tanks requirements as layed (laid )down in the national Chinese specifications SH3046-92 and GBJ128-90.