The microcomputer controlled test stand 701 adopts power stepping motor to drive the original operating valve to carry out tests.
此种微机控制701试验台，是采用功率步进电机驱动原操作阀进行试验的。
Comments: a simple preventative maintenance program and good operating procedures can address and limit the disadvantages of this valve.
评论：一个简单的预防性的维护程序和良好的操作程序能够限制这种阀门的缺点。
Recommended Closing Procedure: Close the cylinder valve tightly using a gloved hand. Always wearing gloves when operating cylinder valves. NEVER use wrenches or other persuaders to operate the valve.
推荐的关闭程序：用戴手套的手紧紧地关闭阀门。推荐操作钢瓶阀门时总是戴手套。禁止用扳手或其它强制性的工具来操作阀门。
If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.
如果阀体的材料是可以焊接的，但膨胀系数差异很大，或者工作温度的变化幅度范围较大，螺纹连接部必须进行蜜封焊。
In some sectors certain operating conditions (such as the petroleum sector, pipeline), not allowed to use the path contraction of the valve.
在某些部门的某些工作条件下(如石油部门的输油管线)，不允许采用通径收缩的阀门。
Output torque of the actuator must meet or exceed the operating torque requirements of the specific valve to be actuated.
执行机构的输出扭矩必须满足或超过所应用阀门所需的操作扭矩要求。
This article introduces the structure, operating principle and key matching points of secondary air valve.
本文阐述了二次空气阀的结构、工作原理和匹配要点。
DIAPHRAGM, A flexible part for operating a valve mechanism by pressure.
隔膜，用气压或液压操作的活门机构中的柔性部件。
The overflow valve is used to protect the machine and the safety of the operating personnel, must not be arbitrary adjustment.
溢流阀是用来保护机器和操作人员的安全的，不得任意调整。
This means that the operating mechanism must be able to move sufficiently far enough away from the valve to allow the valves to be fully closed against its seat by the valve spring.
这意味着操作机构必须离阀门足够远以允许阀门通过气门弹簧使其完全关闭。
And it has higher operating frequency than gas target soft X-ray sources whose nozzle is controlled by a solenoid valve.
与喷嘴由电磁阀控制的气体靶激光等离子体软x射线源相比，它有较高的工作频率。
Operating Principle: The diaphragm valve is a handwheel-operated valve, utilizing a two-piece stem separated by non perforated diaphragms. These diaphragms prevent leakage along the valve stem .
运转原理：膜板阀是一种手轮型阀门，它采用两个由非穿孔横膈膜隔开的阀杆。这些横膈膜防止了沿着阀杆的泄漏。
The regulations and methods for valve base seal test, valve seal test, valve strength test, long term valve test, fatigue test and operating torque test were summed up in this article.
汇总了塑料阀门产品要求的阀座密封试验、阀体密封试验、阀体强度试验、阀门长期试验、疲劳强度试验和操作扭矩的规定和方法。
Seals can be polymer materials, asbestos or rubber seal material selection depends on the valve components of the transmission medium, operating temperature, working pressure and flow rate.
密封件可以是高分子材料、石棉或橡胶，密封件材料的选择取决于阀门所输送的介质成分、工作温度、工作压力和流速。
Always close the cylinder valve when product delivery is not needed. Do not leave it open when the equipment is unattended or not operating.
当不需要产品输出时，总是关闭钢瓶阀门。当设备无人照管或没有运转时，不要让阀门开着。
There are more than 100 sets of 300MW turbosets with rear number operating with order valve, especially China made or imported type.
我国300MW机组有100多台，汽轮机真正投入顺序阀正常运行的机组很少，特别是国产型或国产引进型机组。
The theoretic basis for controlling flow of heating medium by self-operated flow control valve is analyzed, and the structure and operating principle of the valve are studied.
分析了自力式流量控制阀实现控制供热介质流量的理论依据，研究了自力式流量控制阀的结构及工作原理。
That the optimum fuel injection timing corresponding to one operating mode of engine is determined by adjusting the solenoid valve can improve economy and power, and lower the emissions of engine.
这样通过调节电磁阀就可以实现发动机在不同工况下有最佳的供油提前角与之匹配，从而达到改善发动机经济性和动力性并降低废气排放之目的。
This output can be modified by operating the special regulator incorporated in the valve (see the last pages for a description of how to regulate the valves).
气体输出量可以通过调节电磁阀上特殊调节器操作。
The valve checks closed in either direction when operating pressure is removed.
该阀门检查，当操作压力被移除时在任何一个方向的关闭。
Maximums are based on the operating force for each valve size.
这种最大压差值是根据每个通径阀门的操作力计算的。
The operating principle, structure and advantages of dual controlled gas constant pressure valve are analyzed.
分析了双控燃气稳压阀的工作原理、结构和优点。
The timing of the rotary valve, which is a key operating parameter for cryocoolers, determines the relationship between the intake and exhaust process.
而平面旋转阀的时序又是低温制冷机的一个重要参数，它决定了制冷机系统进气、排气过程之间的相互关系。
The timing of the rotary valve, which is a key operating parameter for cryocoolers, determines the relationship between the intake and exhaust process.
而平面旋转阀的时序又是低温制冷机的一个重要参数，它决定了制冷机系统进气、排气过程之间的相互关系。
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