The flange is a very common part in some professional connections, whether it is a part of the device connection, or a whole pipeline engineering connection, they all need to use the flange of this part. The connection of the pump is a part of the connection, this time need to use the stainless steel flange class parts. Flanges can be used in many types of connections, smaller connections have valves, and large connections like piping works.
First, flange gasket material
Most of the flange gaskets are from the metal is not a large piece of material cut down, gasket production and flange is also required by those very professional manufacturers to carry out. Production needs to be in accordance with a certain size, because the gasket is combined with the flange to use, so the size and flange matching.
The gasket material of stainless steel flange is various, have asbestos, have rubber board, asbestos Board also have, also have polyethylene this kind of synthetic material. In addition to non-metallic materials and a number of metal gasket, the metal here are very thin plate (material, such as tin and stainless steel).
Second, combined flange gasket
If you want to seal the performance of the better, then you need to use the combination of the installation. Metal-encased gaskets are made of this kind, and some non-metallic materials are similar to asbestos, and they are wrapped together in metal-clad gaskets. In addition to this gasket there is a winding type of wrapping gasket. This gasket is also commonly used when connecting stainless steel flanges. It is made with a thin strip of steel and asbestos tape.
Third, flange gasket suitable occasion
Different flange gaskets can be used in the same environment, some common rubber gaskets can be used in the temperature is not particularly high, generally need to temperature below 120 degrees Celsius. Asbestos-rubber gaskets are also common in stainless steel flanged connections, and their use requires water vapor temperatures below 450 degrees Celsius.
When the flange is connected, the oil temperature is below 350 degrees, and the pressure is less than five MPa. Corrosion resistant gaskets are required for piping connections that have corrosive properties in addition to the use of stainless steel flanges. Asbestos Plate Gasket is a good choice because it can resist the erosion of the flange by the acidic material.