O型圈 橡胶密封圈 工业密封件

“o型圈”(o-rings)是一种截面为圆形的橡胶密封圈，因其截面为o型，

故称其为o型橡胶密封圈，也叫o型圈。开始出现在19世纪中叶，当时

用它作蒸汽机汽缸的密封元件。

因为价格便宜，制造简单，功能可靠，并且安装要求简单，o型环是

常见的密封用机械设计。o型环承受几十兆帕斯卡（千磅）的压力

。o型环可用于静态的应用中，也可以用在部件之间有相对运动的动

态应用中，例如旋转泵的轴和液压缸活塞。

“o-rings”(o-rings) is a circular section of the rubber ring,because its section of o-type, it is called o-type rubber ring,also known as o-ring. it first appeared in the mid-19th century asa sealing element for steam engine cylinders.

the o-ring is the most common mechanical design for seals becauseof its low cost, simple fabrication, reliable function, and simpleinstallation re the o-ring withstands tens ofmegabascals (thousands of pounds) of pressure. the o-ring can beused in static applications as well as in dynamic applicationswhere there is relative motion between components, such as theshaft of a rotary pump and the piston of a hydrauliccylinder.