A four way two position valve is required for operation.
阿二位四通阀是所必需的操作。
Plate connected with electric control valve which had large drift diameter, have three -position valve function.
板式连接大通径电控换向阀，有三位阀功能。
Valve can be installed in any position.
这种阀门可以安装在任何位置上。
Lower the valve into position between the pipeline flanges.
将阀门放低，使其进入管道法兰之间的位置。
At first, it studied the plant model of position and force system about valve control unsymmetrical hydraulic ram.
首先，建立了阀控非对称缸位置控制系统与力控制系统的数学模型。
Stroke control mechanism for the regulation and precise control of valve opening and closing position.
行程控制机构，用以调节和准确控制阀门的启闭位置。
The disc and associated moving parts may be in a constant state of movement if the velocity pressure is not sufficient to hold the valve in a wide open and stable position.
如果流体流速压力无法将阀门支撑在一个较大的开启度并保持在稳定的开启位置，则阀瓣和相关的运动部件可能会处于一种持续振动的状态。
Reduced air pipe and valve must be foreseen into the Cargo Pump Room. The position and arrangement will be determined together.
必须提前考虑在泵舱布置压缩空气管及服务阀门，位置及布置将由双方共同决定。
In dealing with the relationship of the servo valve position control and the adaptive control, the Double-loop control is adopted.
提出了伺服阀的位置控制和颤振的控制关系上采用可切换的双通道控制形式的设计思想。
Drain valve must be vented to the safe position in the atmosphere, the torch duct or discharge the container.
放净阀必须放空到安全位置-放到大气、火炬总管或排放容器中。
Top company has an experienced R & D team, implement the global unified design, unified standards, in the field of valve in the leading position in the world.
托普公司拥有一支有经验的研发队伍，实行全球统一设计，统一标准，在阀门领域内处于世界领先地位。
The flywheel marks and indentation are used for setting the valve and the ignition systems relative to prescribed position of the crankshaft.
飞轮标记与凹口可以用来确定阀门与点火装置系统的位置，其要根据曲轴的规定位置来确定。
Most often this is in some kind of valve, but it might also be a belt of motor speed, louver position, and so on.
最常见的是由某种阀来完成，但这也可能是一条皮带，或者是马达速度、口径位置等等。
This paper introduces the hardware design and the position control method of a valve positioner based on ARM microcontroller.
介绍了一种基于ARM的智能阀门定位系统的硬件设计和定位控制方法。
Used when the valve is mounted in high or out-of-reach locations, but frequent monitoring of the valve position is required.
用于当阀门安装在高处或无法靠近的地方时，但是有需要经常观察阀门开启位置的情况。
When a cylinder with this valve configuration is in the upright position, the inlet of the tube is immersed in liquid and the liquid phase will be removed.
当带有这种阀门配置的钢瓶处在垂直位置时，管子的入口浸在液体中，就可以提取液相产品。
Fitting valve position feedback on manual valves now also becomes a more attractive option with the size and cost of the open solution.
现在由于开放式解决方案的尺寸和成本的优势，在手动阀上装配位置反馈也变得更有吸引力。
For valve with Arrow Position Indicator, add the letter "I" before the dash separator (e. g., 4423i-025).
对于带箭头位置指示器的阀门，在破折号之前加上字母“I”，例如：4423i- 025。
Check the valve parts before installation. Open and close the valve by hand for a period check the open-close position of the valve gate.
检查阀门各部位是否有松动现象，对阀门进行手动开启、关闭一个周期是否有异常现象，同时检查阀门的启闭位置是否准确。
Mount valve against the motor with the ports in corresponding position.
山阀对电机与港口相应的位置。
Lock the exhaust valve in its open position.
把排气阀固定在它开启的位置。
Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.
止回阀的撞击现象，是由于在流体倒流之前，阀门的阀瓣没有到达关闭位置造成的。
The hand wheel is always in the same position relative to the valve body regardless of whether the valve is in the open or closed position.
不管阀门是在开启或是关闭位置，手轮总是处在相对于阀体的同样的位置。
Pneumatic valve position according to their channels can be divided into straight-through, three-and right-angle type.
气动球阀按其通道位置可分为直通式，三通式和直角式。
Pneumatic valve position according to their channels can be divided into straight-through, three-and right-angle type.
气动球阀按其通道位置可分为直通式，三通式和直角式。
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