Nameplate Api 650 2020 : Nameplate Api 650 2020 / Tank Basics Api 650 Fabrication ... . A more stringent criterion could be adopted for a particular application. Api 653 2014 tank inspection, repair, alteration, and reconstruction. This standard covers steel storage tanks built to api 650 and its predecesor api 12c. Api 650 is widely used for tanks that are designed to internal pressures of 2.5 psi or less and store products such as crude oil, gasoline, chemicals and produced water. — add 1 (april 2018) and add 2 (may 2020). The request that api 650 include design rules for tanks with external pressure originated with the process industry practices (pip) group, a consortium of numerous petroleum and chemical companies. Api 653 only applies to tanks that have been built and placed in service (see 1.1.1). Since this was an alteration i am requesting the contractor attach a nameplate adjacent to the original nameplate. — add 1 (april 2018) and add 2 (may 2020). Api matr