API 650 petroleum storage tanks swing-type check valve

The vent pipe mouth should be 4m or more above the ground. The nominal diameter of the API 650 petroleum storage tanks API 650 petroleum storage tank vent pipe should be no less than 50mm and a flame arrestor should be installed.

Ningbo port has trade and transportation with more than 50 countries and regions, such as the United States, CIS countries, Europe, Africa, Japan and South Korea, Southeast Asia, the Middle East and Hong Kong. Ningbo port has initially formed an all-round three-dimensional collection and distribution network of expressways, railways, aviation, river sea intermodal transport, water to water transfer, etc.

we develop very well through those years even the external environment is not conducive to the whole steel industry. With the prosperity of our group, our company always bear its staff who contributes to its growth in mind, and always on the way to improve welfare and treatment. That makes us staff and work with pleasure. On the other way, they creat a better and stronger our group. That may be one of the key factors why we develop so rapidly those years. Here we can say proudly “we are family”.

The water dissolved in the oil will be separated out from the oil stored in the API 650 petroleum storage tanks for a long time, and the acidic water layer will appear at the bottom of the API 650 petroleum storage tanks for a long time, which will accelerate the corrosion of the API 650 petroleum storage tanks and cause the wall thinning and even leakage. With the increase of service life, the API 650 petroleum storage tanks must be inspected and cleaned regularly to check the hidden danger.