阀杆

b起吊时，绳子不要系在手轮或阀杆上。

B lifting , the rope not tied hand wheel or valve stem .

本文综述了ACM的特性及其在密封制品中的加工和应用技术，重点介绍了汽车密封件中油封、阀杆油封和O型圈的加工和应用技术。

This paper summarizes the characteristics , technical process and technical applications of ACM . It mainly states the process and technical applications in oil seal , valve stem seal and Oring of automobile sealing products .

即使采用相同的阀杆和轭架，接触压力也能够增加1.5至5倍。

Contact pressure increase by 1.5 – 5 with same stems and yokes .

转动阀杆用F4密封圈的设计制造要点

Main Points for Designing and Manufacturing F_4 Seal Ring in Rotating Valve Stem

拆卸阀杆总成（A），并且通过钻孔锁定设置和插入定位销（C）。

Remove stem assembly ( A ) and lock setting by drilling hole and inserting dowel pin ( C ) .

CCD型电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。

CCD electric ultra-high vacuum gate valve uses electric device to drive the stem , moving valve disc updown to make the valve opened or closed .

阀杆采用V型填料密封结构，V型填料能将填料压盖的压紧力及介质力有效地转化成阀杆的密封力。

V type packing structure has been employed to effectively transform the pushing force of the gland flange and the medium pressure into the sealing force against the stem .

CPVC封装的阀杆加长件并不用于水平球阀系列。

CPVC housed stem extensions are not intended for the horizon ball valve series .

300MW汽轮机组高压主汽阀杆漏汽分析及处理

Analysis and remedy of valve stem leakage for high-pressure main steam valve of 300 MW Unit

13cr硬化的阀杆，接近镜面的抛光度，延长填料的使用寿命。

13Cr hardened stem with mirror-like , burnished finish for longer packing life .

阀杆的强度问题与最大启闭力矩密切相关，本文利用Workbench接触分析结果求解开启时刻的最大摩擦力矩。

The intensity problem of the valve pole is closed related with the biggest moment . This text makes use of the Workbench contact analysis result to get the biggest friction moment at the open time .

6L48/60型船用柴油机主排气阀运行中在距阀盘100mm的阀杆处发生完全破断。

One 6L48 / 60 exhaust valve spindle , used on marine engine , has completely broken at stem , 100 mm from disk in operation .

125MW汽轮机调节阀杆系统振动的试验分析与消振措施

Investigation on Vibration of Steam Regulation Valve Spindle System on 125 MW Units and Measures for Its Elimination

阀杆材质，力求不锈钢阀杆（2CR13），大口径阀门也应是不锈钢嵌包的阀杆。

Stem material , and strive to stainless steel stem ( 2CR13 ), large diameter valves also should be embedded in the package of stainless steel valve stem .

为减轻对阀杆的磨擦，有的场合，可以加二硫化钼（M0S2）或其他润滑剂。

In order to alleviate the friction of the stem , and some occasions , you can increase molybdenum disulfide ( M0S2 ), or other lubricants .

GUD型-电动高真空球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空系统管路中的介质流。

GUD electric high vacuum ( pressure ) ball valve uses electric device to drive the stem and ball for open and close , thus to put through or cut off the medium flow in vacuum ( pressure ) pipeline .

阀杆填料密封力的理论分析

The Theoretic Analysis of the Stresses for Valve Stem Stuffing-box Seals

柴油机排气阀杆断裂失效研究

On Fracture and Failure of Exhaust Valve Stem of Diesel Engine

气流诱发调节阀杆振动的研究

Experimental Research on Oscillation Induced by Fluid Flow in Control Valve

调节阀的阀杆与阀芯联接方法的改进

Measures for improving connection between stem and wick of pilot valve

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 stem bushing provides back-up stem seal .

上阀杆通过丝口旋在横膈膜止动螺母里。

The upper stem is threaded into the diaphragm retainer nut .

阐述了阀杆密封的几种结构及存在的问题。

Describing several structures of stem seal and existent problems .

高压主汽阀阀杆漏汽原因分析

Analysis on Leakage of High Pressure Main Steam Valve Lever

请单独说明用于铸铁阀门阀杆加长部件的连接装置。

Please specify separately coupling sets for iron valve extensions .

阀杆的直径略小于阀体孔的直径。

The stem has a slightly smaller diameter than the valve bore .

阀杆密封泄漏原因及解决方法

The leaking reason of filling material in the valve and its solution

闸板、阀杆和阀座环也可以采用不锈钢。

The gate , stem and seat rings are also stainless steel .

端口关闭与阀杆运动成正比例，适用于节流。

Port closure directly proportional to stem travel for throttling .

在阀杆上设计有位置指示器，能够精确地指示阀瓣的位置。

The rising stem design incorporates a graduated positioning for throttling service .