Specification and applicable standard of stainless steel bellows heat exchanger tubes

According to the market demand research report of stainless steel heat exchanger tubes, 16.8mm specifications are used more, followed by 16mm.

Bellows expansion joints standards can be divided into two categories, both domestic and abroad. One is the standard of standard type, that is, the standard of general technical requirements, which does not specify the performance except the design formula, such as the EJMA standard of the United States, ASME standard, BS standard of the United Kingdom, GB / T12777 standard of our country. In addition to the general technical requirements, the structural dimensions, specifications and compensation performance of expansion joints, and the quality of fatigue life products are also specified, such as the GB16749 standard in China, several Russian standards (technical conditions) and the JISB2352 standard in Japan.