This paper introduces the requirements of design, different construct ion for bellow sealed valve, also introduces some key points when design bellow sealed valve.
介绍了波纹管阀门的设计要求，波纹管选用时的考虑因素，并介绍了波纹管阀门的几种结构和设计时应注意的问题。
The service of the self-sealed valve in Urea Plant with ammonia technic was introduced, and the cause of the seal leakage was analyzed, the solution of local maintenance was pointed out.
介绍了自密封阀在氨汽提尿素装置中的应用情况，对其泄漏原因进行了分析；并提出了具体维修方案。
Certain corrective actions of this guide may not be feasible with the Compact Ball Valve (sealed unit).
对于紧凑型球阀(密封装置)，本指南的某些纠正措施可能并不可行。
The discharge valve have been shut and sealed.
排出阀已经关闭并密封。
Sealing performance of the valve means of the sealed parts of the valve to prevent leakage of the ability of media, it is the most important technology valve performance.
阀门的密封性能是指阀门各密封部位阻止介质泄漏的能力，它是阀门最重要的技术性能指标。
Vacancy board use sites: When the base over electromagnetic (pneumatic) valve use the number, to use surplus space will board seat temporarily sealed.
空位板使用场所：当底座数目超过电磁(气动)阀使用数目时，可先用空位板将多余阀座暂时密封。
The method using movable metal baffle and control valve near water sealed well to block the drain of oil tank group is unreliable and it will widen flowing fire area.
用活动金属挡板及水封井附加控制阀门封闭油罐组排水沟的方法既不可靠又会使流淌火面积扩大。
By theoretical analysing and calculating, we find the short needle valve fuel injector can further decrease the impact stress of the needle valve to the sealed conical surface.
经理论分析和计算发现，短针阀喷油器可以进一步降低针阀对密封座面的冲击应力。
The space above the piston is now sealed due to the inlet valve closing and the exhaust valve having already closed.
由于进气门关闭、排气门也已关闭，现在活塞上部的空间被密封了。
Sealed surface of gas valve, patrol machines, and installation flange.
煤气阀门的密封面，石油机械、管接头密封面、装配法兰等。
Metal to metal sealed ball valve with its body seat, ball, other metal parts, and so forth, closely contact with each other, having naturally formed a static electricity passage.
金属硬密封球阀的阀体、阀座、球体等金属零部件紧密接触，自然形成了静电通道。
It also provides a bilateral metal hardware sealed butterfly valve, and the structure of butterfly valve, working principle, reliability and features of seal are discussed.
提出了一种双向压金属硬密封蝶阀，讨论了这种蝶阀的结构、工作原理、密封的可靠性及特点。
Proved by practice, the floodgate valve packing seal after transforming can not merely well solve the sealed seepage problem, and has produced very great security and economic benefits.
经实践证明，改造后的闸阀填料密封件不仅能够很好地解决密封渗漏问题，而且产生了很大的安全和经济效益。
The utility model relates to an end-face sealed manual three-position four-way reversing rotary valve.
本实用新型涉及一种端面密封手动三位四通换向转阀。
The two halves shall be sealed by diamond shaped cross section rubber gasket permanently locked by a groove in the valve body.
阀体的两个部分应该采用钻石形交叉橡胶垫圈通过阀体的卡箍永久性锁定密封起来。
If this is excessive, the valve threads can be sealed and made leak-free.
如果这是过度，阀门线程可以加以密封，使无泄漏。
Most of the valve is sealed using force, that the valve is closed, forced to rely on external ram pressure to the valve seat to ensure the sealing surface of the seal.
大部分闸阀是采用强制密封的，即阀门关闭时，要依靠外力强行将闸板压向阀座，以保证密封面的密封性。
Haed sealed ceramic ball valve new product that our company develop newly, product this use electricity, petroleum, chemical industry pipeline system open and close and close the device mainly.
硬密封陶瓷球阀是我公司新开发的新产品，该产品主要用于电力、石油、化工等管路系统上启闭装置。
Fluid control one-way valve used cone disc, sealed a good performance.
液控单向阀采用锥形阀芯，因此密封性能好。
In view of the operation situation of valve-control sealed battery in power system, some practical maintenance methods are presented in this paper and their feasibility is discussed.
针对阀控密封式铅酸蓄电池在电力系统的使用情况，介绍了几种实用的维护方法，并进行了可行性探讨。
The valve gate will cut off medium and be in the sealed state when the butterfly disc moves to the vertical place with pipe axis.
当蝶板运行到与管道轴线相垂直时，阀门即切断介质处于密封状态。
A valve body is connected with a tower cover through soft seal, and pressed by a bracket through a bolt. The valve rod, the tower cover and a gland are pressed and sealed by filler.
阀杆、塔型盖、格兰通过填料压紧密封，阀杆与执行机构通过固定于支架上的推力螺母实现上下运动。
JWT type welding type hydraulic valve testing bench, to both sides of the host frame seal disc and welding the inner hole of the valve for positioning and welding groove of the valve is sealed.
JWT型焊接式液压阀门测试台，以两边主机架上的密封盘和焊接阀门内孔为定位，焊接阀门坡口为密封。
At present the use of the butterfly valves for more than soft sealed off valve, characterized by simple structure, light weight, easy maintenance, construction costs low;
目前使用的蝶阀多为软密封蝶阀，其特点是结构简单、重量轻、维修方便、成本造价低；
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。
Though there is no condensate water that uses ball-type sealed lever to make the valve clack tightly adhesion to the valve seat, it can prevent the fresh vapor from leakage.
由于阀座孔在凝结水水位以下，形成水封，水、汽自然分离，达到无蒸汽泄漏。
With a magnetic drive rotary valve instead of the conventional mechanical rotary valve, and two pulsed pots instead of four in the traditional pulser, the new one is better sealed and simpler.
该新型脉冲发生器以磁力驱动旋转阀代替传统的机械旋转阀，解决了泄漏问题，而且只用两个脉冲罐就实现了同现有脉冲发生器（含有四个脉冲罐）同样的脉冲效果，从而简化了设备。
Abstract: in view of the operation situation of valve-control sealed battery in power system, some practical maintenance methods are presented in this paper and their feasibility is discussed.
文摘：针对阀控密封式铅酸蓄电池在电力系统的使用情况，介绍了几种实用的维护方法，并进行了可行性探讨。
Abstract: in view of the operation situation of valve-control sealed battery in power system, some practical maintenance methods are presented in this paper and their feasibility is discussed.
文摘：针对阀控密封式铅酸蓄电池在电力系统的使用情况，介绍了几种实用的维护方法，并进行了可行性探讨。
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