Flange is a part of the shaft and the shaft is connected to each other for the connection between the pipe end. Due to the good performance of the flange, it is widely used in chemical engineering, construction, drainage, oil and other infrastructure projects. Then, how to choose flange?
1, the nature of the transport medium, the general medium, especially medium, toxic medium, flammable and explosive media;
2, according to the parameters of the medium, working pressure, working temperature, in the case of the medium is determined, according to the working temperature and working pressure of the medium to determine the nominal pressure of the flange PN.
3, according to the use of the site, the connection conditions to determine the flange and pipe connection and sealing surface.
4, according to the connection of the target to determine the size of the flange.
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