How about the flange type 16 kilograms, 25 kilograms and 40 kilograms?
The kilogram above means that the flange is welded to the pipe and can bear the pressure, that is, the nominal pressure. First determine the pipe pressure, and then the pipe pressure to determine the flange bearing pressure. The difference is that the wall thickness is different. The material is low carbon steel.
The higher the normal pressure, the thicker the flange and the larger the outer diameter
The kilogram above means that the flange is welded to the pipe and can bear the pressure, that is, the nominal pressure. First determine the pipe pressure, and then the pipe pressure to determine the flange bearing pressure. The difference is that the wall thickness is different. The material is low carbon steel. Or there is another way: the pressure rating is different, 16 kilograms pressure level is low, 25 kilograms of pressure level is high. 25 kg can be used to block 16 kg pipeline, but 16 kg of 25 kg can not be blocked. Hope to be able to help you, thank you for being accepted
