Oil seals and grease seals have a flexible liphatubs againsa shafor housingo prevehe leakage or ingress of fluids and dirt. Shafspeed, fluidemperature and eccericity are bua few ofhe operating coditionso whichhe seal musadjust. The sealing orieatioand directiois importao cosider for oil seals and grease seals. The orieatioand directiocabe ieal orod seal, exteal or pistoseal, symmetric seal, or axial seal.
油封和润滑脂密封件有一个柔性唇，可与轴或壳体摩擦，以防止液体和污垢泄漏或进入。轴速度、流体温度和偏心率只是密封件必须调整的几个操作条件。油封和油脂密封件的密封方向和方向很重要。方向和方向可以是内部或杆密封、外部或活塞密封、对称密封或轴向密封。
The sealype for oil seals and grease seals cabe oil seals or otherypes. Aoil seal caalso called flexible lip, orotary shafseal. These seals fulfill aexacting function,hey protecallypes of precisioconstructed, close fiing ball, sleeve adoller bearings.
油封和油封的密封类型可以是油封或其他类型。油封也可称为柔性唇或旋转轴密封。这些密封件具有严格的功能，它们保护所有类型的精密结构、紧密配合的滚珠、套筒和滚柱轴承。