flow racking this pipe rack&jointbelongs to JYJ series in our factory , which is a main structure of the pipe rack system .it is very easy to use and protects the environment , because it can be reused for many times ,and the makeup is simple too , and it is inexpensive , so it is widely used in many fields , such as , electronics / machinery / automobiles / home appliances / light industry , and so on . inexpensive and environment protection;can be dismantled and installed easily;can be reused and be used conveniently;can be widely used in many industries;The most important it is can be used in different types of pipe rack you need!!INTENTED FUNCTON OF JOINTS1 The intent function of each joint type should be strictly respected .2 Any modification made to a structure may therefore require the replacement of some joints by other types3Any extending section of the structure must be strengthened