API 620 or API 650: Which Storage Tank Is Best for You?

The American Petroleum Industry (API) has implemented regulations for the construction, design, and fabrication of welded storage tanks that keep oil and other chemicals. The highly preferable tanks on the market that you can choose from are API 620 and API 650 models yet you’re unsure which you should get. This will rely on what you need out of the product.

API 620

API 620 controls the manufacture and design of massive steel low-pressure storage tanks, typically bigger than 300 feet in diameter. You can use it for products with high internal pressure, including cryogenic tanks and liquefied natural gas. This model can stash matters at a higher pressure by up to 15 pounds per square inch of vapor or gas storage. At a lower temperature, it can store below -325 degrees F to 250 degrees F. Moreover, you can also keep liquid in this container.

API 650

The industry generally uses the standard API 650 for aluminum, carbon, and stainless steel tanks set in pipelines, refineries, terminals, and other process facilities. This model can store biofuel, water, chemical, gas, and oil for some of the most typical tanks in the industry. It can even stash matters at a lower pressure of a maximum of two and a half pounds per square inch and higher temperature of around -40 degrees F to 500 degrees F. You can choose different tank sizes for this particular model.

To sum it up, API 620 can keep contents at a higher and lower temperature. Meanwhile, API 650 allows a lower quantity of pressure at a greater temperature. As clearly seen here, both models have varied temperature and pressure parameters, so your decision depends on your specific needs. Determine your particular temperature and pressure requirements to be able to choose your standard carefully.