推荐回答（1个）
密封圈旗下有许许多多的分类，不同的类别对应的适用场景以及参数表现都会有所区别，我们只有借助前期的了解入手分析才可以保证确定合适的类型，并且进一步保证后期的优势体验。那么今天为大家普及的知识就是关于密封圈规格型号以及具体的举例解答，并且还有Y形密封圈规格型号以及密封原理系统细致的板块信息，有兴趣了解的朋友可以参考筛选出合适合理的内容。
一、密封圈规格型号
ID代表外径,OD代表内径
选型主要是温度介质压力
温度过高过低橡胶会变形、变硬失去弹性，介质腐蚀会溶胀压力过大会变形、内爆等
不同工况选择不同材质的o型圈目前耐温最高是327℃的kalrez
尺寸选合适的没有合适的尺寸选择小一点的橡胶有弹性大了会套不
二、Y形密封圈规格型号以及密封原理
Y形密封圈依靠其张开的唇边贴于密封副偶合面。无内压时，仅仅因唇尖的变形而产生很小的接触压力。在密封的情况下，与密封介质接触的每一点上均有与介质压力相等的法向压力，所以唇形圈底部将受到轴向压缩，唇部受到周向压缩，与密封面接触变宽，同时接触应力增加。当内压再升高时，接触压力的分布形式和大小进一步改变，唇部与密封面配合更紧密，所以密封性更好，这就是Y形圈的“自封作用”。由于这种自封作用，一个Y形圈能有效的封住32MPa的高压。
压力赋能型密封的有效密封压力等于预压力与流体压力之和。Y形密封圈通过唇边的作用将流体压力有效作用于密封，其预压力可以降到很小值，并且流体压力越高，预压力的效用越小，在高压场合，预压力的作用可以忽略不计。这时降低密封摩擦力是有利的，因为密封摩擦力与密封接触压力成正比。所以Y形密封圈在保证密封的同时，摩擦力小于挤压型密封。
Y形密封圈主要用于往复密封，由其工作原理可知，Y形圈安装时，唇口要对着压力高的一侧，才能发挥作用，所以Y形密封圈只能单向起作用。
三、优点
1.密封圈在工作压力和一定的温度范围内，应具有良好的密封性能，并随着压力的增加能自动提高密封性能。
2.密封圈装置和运动件之间的摩擦力要小，摩擦系数要稳定。
3.密封圈抗腐蚀能力强，不易老化，工作寿命长，耐磨性好，磨损后在一定程度上能自动补偿。
4.结构简单，使用、维护方便，使密封圈有更长的寿命。
上文为大家普及的知识有很多，具体包括的是Y形密封圈规格型号以及密封原理以及其他密封圈规格型号。由此得知密封圈产品具有良好的密封性能，并且随着外界环境参数的改变，具体的使用操作表现也会有较大差异。对于有这个方面学习购置打算的朋友而言，完全可以参考自己的实际具体需求入手，从市面上林林总总的产品中筛选出一款最佳的部件加以利用
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