1)main valve主阀
1.The vapor pressure, speed, discharge that pass through themain valve of steam turbine make direct influence to its operation .目前国内外的研究主要集中在对汽轮机控制主阀的结构改造和尺寸优化方面。
2.Generally, themain valve of three-stage electro-hydraulic servo valve is sliding valve, changing the flow area of valve port to control fluid flow rate by the relative motion of the valve spool and sleeve.三级电液伺服阀的主阀一般采用滑阀结构,通过滑阀阀芯和阀套的相对运动来改变阀口过流面积,达到液流控制的目的。
1.Dynamic Analysis of a Spindle of Pilot-operated Solenoid Valve两级先导式电磁阀主阀芯动力学分析
2.A Method to Accelevate the Closing Process of The Main Valve Opening of Pilot Relief Valve;加快先导式溢流阀主阀口关闭过程的方法
3.Numerical analysis of reset motion of main spool in flow amplifying valve流量放大阀主阀心复位运动的数值解析
4.The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting.主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
5.The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.止回阀应该是模块化，并通过一个O形环密封连接到主阀体上。
6.Our main products include steel gate valve, globe valve, check valve, ball valves, forged steel flange, pipeline strainer and so on.主要有：各种材质闸阀、截止阀、止回阀、球阀、法兰及过滤器等。
7."Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces."黄铜的主要用途是球阀阀杆和球体,和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
8.main hydraulic control manifold主液压系统操纵阀箱
9.There were also remnants of militarism.还有军阀主义残余。
10."Most common uses in valves are: stem, body and ball materials."这种材料在阀门上主要用做:阀杆,阀体和球体材料。
11.Servo valves consists of feedback - electric-hydraulic servo valve and position feedback servo valves.伺服阀主要分为力反馈式电液伺服阀和位置反馈式伺服阀.
12.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。
13.Study on Thermal Fatigue Damage of the Valve on the Intermediate-pressure Section of Steam Turbine in Power Plants火电站中压主汽阀阀壳热疲劳损伤研究
14."Mainly used in gate, globe, and check valves for applications up 850H, and in one-, two-, and three-piece ball valves."主要使用在温度高达850℉的闸阀、截止阀和止回阀,以及整体、对分式和三件装的球阀上。
15.New Stainless Steel Heap Welding Technique for Main Steam Valve Sealing Suface主蒸汽阀门密封面不锈钢堆焊新工艺
16.Analysis of Low Cyclic Fatigue Life of the Valves on the Secondary Unit of Steam Turbine;汽轮机中压主汽阀低周疲劳寿命分析
17.The Research on Piezoelectric Pump with Active Valve Actuated by Piezoelectric Wafer;压电晶片驱动式主动阀压电泵的研究
18.Research on Dual-Chamber Tandem Piezoelectric Pump of Combination of Active and Passive Valves主被动阀结合的双腔串联压电泵研究
相关短句/例句
king valve主阀，总阀
3)the faxin主阀芯
4)Active microvalve主动微阀
5)main distributing valve主配压阀
1.On the basis of analyzing and comparing the fuction, construction, main parameter, material and technique of themain distributing valve, the optimum design ofmain distributing valve was researched summarising the author s ten years experience.本文通过对现有调速器主配压阀的功能、结构、主要参数、材料及工艺性等方面的分析和比较，结合电站的实际使用情况，总结了笔者近１０年的设计工作经验，就主配压阀优化设计问题进行了探讨。
6)active valve主动阀
1.Design and research on bimorph piezoelectric pump with twoactive valves双晶片两主动阀式压电泵的设计及试验
2.A new type of precise-motion mechanism driven by a piezoelectric hydropump withactive valves transfers liquid from one region to another,changes the liquid volume inside the cylinder and thus achieves displacement and feed.提出了一种新型的位移精密驱动机构,它以主动阀压电泵为核心驱动装置,通过流体的转移来改变缸体液体容积的变化,从而实现位移进给;该机构可以通过电压调整输出力和步长,满足大行程或微位移、高精度的输出要求。
延伸阅读
溢流阀、顺序阀、减压阀的比较溢流阀减压阀顺序阀控制油路的特点通过调整弹簧的压力控制进油路的压力，保证进口压力恒定，p2＝0通过调整弹簧的压力控制出油口的压力，保证出口压力p2稳定直控式－通过调定调压弹簧的压力控制进油路压力；夜控式－由单独油路控制压力出油口情况出油口与油箱相连出油口与减压回路相连出油口与工作回路相连泄漏形式内泄式外泄式内泄式进油口状态及压力值常态常闭（原始状态）常开（原始状态）常闭（原始状态）工作状态进出油口相通，进油口压力为调整压力进油口压力低于出油口压力，出油口压力稳定在调定值上进出油口相通，进油口压力允许继续升高联接方式并联串联实现顺序动作式串联作卸荷阀用时并联功用定压、溢流或安全作用限压、稳压、保压减压、稳压不控制系统的压力，只利用系统的压力变化控制油路的通断进油腔压力p1控制阀芯移动出油腔压力p2控制阀芯移动进油腔压力p1控制阀芯移动
