| 2. | Gasket mainly includes rubber asbestos gasket , metal winding gasket , metal ? coated gasket , graphite compound gasket , ptfe gasket , tooth - type gasket , lens gasket , octagon gasket as well as ellipse gasket 密封件主要有金属缠绕垫、金属包垫、高强石墨复合垫、聚四氟乙烯包覆垫、齿形垫、透镜垫、金属环垫、八角垫、椭圆垫、橡胶石棉垫及填料垫。 |