接触式密封常用形式有两种。
常用的非接触式密封形式有如下三种。
Commonly used non-contact form of the following three types of seals.
这些非无接触式密封件不限制轴承转速。
作者以轴向迷宫式密封和径向接触式密封为例，介绍了安装技巧和要点。
The author introduced installation technology and skill with the examples of axial labyrinth seal and radial contact seal.
针对普通胶筒密封遵循接触式密封理论所存在的问题，提出了封隔器胶筒“完全防突”的设计理论。
In order to solve the problem concerning the contact-sealing theory for the common packing element, the design theory of "complete anti-extrusion" is put forward.
R512型高性能无销中线蝶阀在引进国外先进技术的基础上采用轻柔的接触式阀座和优良的多重密封构造能有效防止外漏。
R512 type High performance concentric butterfly valvesadvanced foreign technology on the basis of soft contact seat sealing structure multiple can effectively prevent leakage.
波纹式头部设计，防止固体颗粒从密封面上撞出，使得密封能够抵抗更高的压力和旋转速度，避免金属壳接触到密封环。
The crimped head design, prevents solids from dislodging the seal face, allows the seal to withstand higher pressure and rotational speed and eliminates the metal shell from contacting the seal ring.
步兵战车侧减速器的密封，采用的是接触式机械密封型式。
The contact-type mechanical seal is used in the final drive of the infantry combat vehicle.
作为一种非接触式并且能达到“零泄露”的新型密封型式，螺旋槽密封在航天航空和石油化工等领域的应用越来越广泛。
As a new non-contacting, no-leaking face seal, in the past few years, the spiral groove seal has been used widely in many fields, such as the aviation-aerospace and the petrochemical industry.
为此，改为非接触式螺旋槽机械密封。
So that the seal was changed for non-contacted type spiral slot mechanical seal.
利用磁流变液的优异特性，建立非接触式磁密封机制。
In the magneto-rheological torque converter, based on the good characteristics of magneto rheological fluid, a new non-contact sealing mechanism is developed.
浮环密封和接触式机械密封需要密封油及油液控制系统，其控制系统复杂、维护费用高、污染严重、能耗较大、稳定性较低；
The two kinds of shaft seal have several disadvantages, for example, complicated control system, highly maintenance cost, serious contamination, more power consumption and lower stability.
浮环密封和接触式机械密封需要密封油及油液控制系统，其控制系统复杂、维护费用高、污染严重、能耗较大、稳定性较低；
The two kinds of shaft seal have several disadvantages, for example, complicated control system, highly maintenance cost, serious contamination, more power consumption and lower stability.
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