A rubber seal is an annular cover consisting of one or several parts that is attached to a ferrule or washer of the bearing and contacts another ferrule or gasket or forms a narrow labyrinth gap to prevent oil leakage and foreign matter intrusion. The metal rubber sealing ring is made of metal rubber. It is a homogeneous elastic porous material. It not only has the elasticity of rubber, but also has the excellent characteristics of metal. It can work at temperatures of -150~800 °C. At the same time, it can also be under pressure and has the dual functions of pressure and sealing within a certain range. Its uses mainly include the following: 1. FRP pipe; FRP sand pipe; FRP pipe; Cable protection pipe; Flue gas desulfurization pipe; Coal mine gas drainage pipe; Power plant desulfurization and dedusting pipe; 2. Municipal water supply and drainage pipe sealing; 3, various types of process pipeline sealing (petroleum, chemical, metallurgy, paper, sewage, seawater desalination, food brewing and beverage processing, medicine, etc.); 4. Sewerage collection and transportation pipelines and water pipelines are sealed; 5. Sealing of drinking water pipelines and water distribution pipes; 6. Oilfield water injection pipe sealing; 7. Sealing of hot water conveying pipes and hot spring water conveying pipes.
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