超薄结构，双重密封。
One valve includes a cap (56) that provides a double seal (58, 60) .
一个阀门包括提供了双重密 封件（58、60）的盖子（56）。
The Submersible Pump and Motor have a double seal with a moisture detection system.
配置潮气监测系统的潜水泵和电机具有双重密封装置。
Vertical three-screw pump adopts double seal mechanical seal and framework oil seal, no leakage.
立式三螺杆泵采用机械密封加骨架油封双重密封方式，无泄露。
It is of built-in type, double seal face, multi-spring, unbalanced type and drive sleeve transmission.
内装式、双端面、多弹簧、非平衡型、传动套传动。
Double seals: Material code for the secondary seal is directly followed by the product seal face codes.
注：双端面机械密封的型号表示方法为：在产品型号规格的后面书写两组材料代号，用横线相连。
Adopted the German Burgmann mechanical double seal + KENOD develop their own components, completely replace imported sterile seal.
采用德国博格曼机械双端面密封+KENOD自行开发组件，完全替代进口无菌密封。
Furthermore, the double seal of the fuse is formed in common by the 'o' shaped sealing ring and an adhesives layer filled between the metal cap and the fuse tube.
此外，“O”型密封圈以及金属帽与熔管之间填设有粘合剂层共同形成了熔断器的双重密封。
The design features of HOWDEN VNT type stationary sealed air preheater, such as stationary seal system, double seals, driven system and bearings etc. are described.
介绍HOWDENVNT型固定密封空气预热器的设计特点，如固定式密封系统、双重密封、驱动系统和轴承等。
Fully sealed: with cover and pole double seal design to prevent leakage of electrolysis. and the reliability of safe-valve prevent oxygen and dust from outside enter into the battery.
采用电池槽盖、极柱双重密封设计，防止漏液，可靠的安全阀可防止外部空气和尘埃进入电池内部。
The general prediction of leakage rate is presented. Influencing factors are analyzed. Countermeasures such as double seals, new structure of static seal, automatic control system are introduced.
推导空气预热器漏风的一般性计算公式，分析影响漏风的因素，提出了采用双密封技术，新结构静密封，安装漏风自动控制系统等降低漏风的对策。
Double mechanical seal, No leakage, Can bear higher working pressure.
采用双机械密封，安全无泄漏，可承受更高的工作压力。
When disconnecting cylinders with diaphragm valves, it is most important to double close the valve and to properly install the outlet seal.
当切断钢瓶和隔膜阀的连接时，两次关闭阀门和正确安装排气口密封是最重要的。
Dust cover and seal with double protection, isolated pollution.
采用防尘盖和密封圈双重保护，隔绝污染。
Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced, thus lengthening lifespan and reducing the cost of overhaul.
介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。
The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.
计算结果表明， 供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
There are six dampers, which are double louver type and which are equipped with the seal air system.
有六块档板，都是双挡板并带有密封空气系统。
Double safety sealed, with outer shrink wrap film and inner bottle freshness seal.
双安全密封，收缩包装膜外及内瓶新鲜印章。
Seal using novel double-end mechanical seal structure.
轴封采用新颖的双端面机械密封结构形式。
Seal chamber pressure of a new double spiral groove face seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability.
一种用于高速高压等极端工况下的新型双螺旋槽端面密封在实际运行过程中密封腔压力会出现波动，从而影响密封稳定性。
2skw series two-stage water (liquid) ring compressors adopt double mechanical seal; the material for mechanical seal shall be defined according to the pressured gas nature.
2skw系列两级水(液)环压缩机通常为双端面机械密封，机械密封的材料可根据压缩气体的性质具体确定。
Two kinds of double cap metallic seal and an adhesive seal are developed for the purpose of the accounting for and control of nuclear material.
研究开发用于封存核材料的开启型防伪胶粘封记和双帽金属封记工艺及其制品。
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life.
密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。
Two sets of back-to-back assembled mechanical seal BIA, and together with a Shared spring can form a double mechanical seal.
由二套BIA机械密封背靠背安装，共用一个弹簧可组成一套双端面机械密封型式。
It consists of double layers of glass chips (three layers of glass chips is used by special requirement.), and around seal with special fireproof glue.
由两层玻璃原片(特殊需要也可用三层玻璃原片)，四周以特制阻燃胶条密封。
Standard versions feature a nitrile double-lip seal and standard grease.
标准版本采用腈双密封唇和标准油脂。
The axle seals adopt single (double) end, corrugated pipe, etc forms mechanical seals, also may adopt soft packing seals, and can unit to all kinds of conditions requirement of seal.
轴封采用单(双)端面、波纹管等形式的机械密封，也可采用软填料密封，能适应各种条件下的密封要求。
The original seal structure and the improved seal structure of the double-leaf swing door at the outside end are described.
介绍了外端双扇摆门的原密封结构和改进后的密封结构，对比分析了硅橡胶条、尼龙毛刷和羊毛毛刷的密封性能。
There was a new ringed structure on the driven pan to push back the oil and we also used single framework with one O ring instead of double framework to seal the oil.
在提前器从动盘上设计了一个挡油环形结构，并将原来的双骨架密封结构改为单骨架结构加O型圈密封结构。
A double flexible metallic O-Ring seat provides a (1) static and (2) dynamic seal and assures compliance to fire-safe specifications.
双重柔性金属O形环阀座具有静止和动态密封性能，确保符合防火规则要求。
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