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[Chemical Knowledge]：How to correctly select and use valve flange gaskets?

Read： 729 Time：7months ago Source：Transform the World with Simplicity

The valve flange gasket is an indispensable part of the valve installation, and its selection and use are essential for the installation and use of the valve. Here we introduce some of the valve flange gasket precautions to help you correctly select and use the valve flange gasket.

choose the right material. There are many kinds of valve flange gasket material, common rubber, metal, PTFE and so on. In the choice of the need to consider the nature of the medium, pressure, temperature and other factors, and combined with the use of the valve environment to choose. In general, fluorine rubber is suitable for general media and temperature, while for high temperature, high pressure or corrosive media, it is necessary to choose high temperature resistant and corrosion resistant materials.

are installed and fastened correctly. When installing the valve flange gasket, make sure that the gasket is in the correct position, undamaged and in a clean condition. When tightening the bolts, it is necessary to tighten them in accordance with the specified sequence and torque to ensure that the gasket is evenly stressed and to avoid air leakage or leakage.

third, regular inspection and replacement. The valve flange gasket will suffer from the erosion of the medium, the impact of pressure and other factors during the long-term use, so it is necessary to check its status regularly. Once it is found that there is aging, damage or deformation, it should be replaced in time to avoid leakage or rupture. At the same time, when replacing the gasket, it is necessary to operate in accordance with the specifications to ensure correct installation and reliable fastening.

attention to maintenance and storage. For valve flange gaskets that are not used for a long time, proper maintenance and storage are required. It should be placed in a ventilated, dry and dark environment to avoid being affected by moisture, heat and pressure. At the same time, it should be turned over, cleaned and checked regularly to ensure that the gasket is in the best condition.

In general, the correct selection and use of valve flange gaskets is essential for the safe and stable operation of the valve. I hope that the precautions introduced in this article can help you better use and maintain the valve flange gasket, ensure the normal operation of the valve, and extend the service life.

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