The structure and operating principle of double-seal rail valve are introduced in the article.
介绍了双密封导轨阀的结构及工作原理 ,该阀的密封性能和使用寿命优于普通的闸阀和球阀。
During the modification,the height of the furnace roof holds the line and the height of the high and low sealing valves is shortened,the character of the sealing valves is still guaranteed so that the production can be safe and stable.
酒钢2#高炉是在原有小容积基础上扩容,在保证原炉顶高度尺寸不变的情况下,上密封阀和下密封阀不仅压缩了高度,并且还保证了密封阀的特性,使生产顺利进行,安全可靠。
It put forward some theoretical rules for the design and optimization of valve sealing structure.
针对超弹性密封材料的特点,采用增强的拉格朗日接触算法,对阀门密封结构中的M形橡胶圈进行了非线性有限元分析,给出不同位移压缩下密封界面上的接触压应力以评价密封性能,并对影响密封性能的密封基座的工艺因素进行了讨论,为阀门密封件的设计、优化提供理论依据。
This connected burden receiving valve is lower sealing valve. This valve's structure is the same burden receiving valve, only diameter is differential.
与料流调节阀连接的是下密封阀，下密的结构与上密封相同，只是口径不同。
It has two stem sealing: one is stuffing box and another is toroidal sealing ring( O-ring).
本阀阀杆密封分为两种形式：一为填料密封；一为O型密封环密封。
bellows sealed gate valve
波纹管密封的闸板阀
bellows seal bonnet
波纹管密封型上阀盖
The Seal Structure Improvement of Multi-Seal Fuel Gas Separates
多密封燃气隔断闸阀密封结构的改进
Remove check valve and valve seal from booster.
从倍力器上卸去逆止阀和阀门密封。
Requirement: Valve must be tight against reverse flow.
要求：这种阀门对于回流必须密封紧密。
Backseat– machined bonnet stem bushing provides back-up stem seal.
(10) 后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
Backseat– machined bonnet backseat provides back-up stem seal.
(9) 后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal.
积极的机械推力驱动阀塞进入阀体阀座馁，确保紧密双向管路密封。
Backseat ? machined bonnet stem bushing provides back-up stem seal.
后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
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。
An O-ring seals the relief valve body to the main housing.
用一个O形环密封安全阀阀体与主外壳。
Temperature range limited by seat material
温度范围受到阀座密封材料的限制
Seat hardfaced with SS410 and seal welded.
配置410不锈钢和密封焊接的阀座硬面。
Seat ring is seal welded to eliminate leak path.
阀座环通过密封焊接，消除泄漏通道。
Replace the cylinder outlet seal and valve cap.
替换钢瓶排气口密封和阀门帽。
Experimental investigation of control valves for flush ofmechanical seals.
机械密封冲洗用限流阀性能试验研究
