重新定位阀 件允许流体通过，滑动柱塞使第一和第二组分会合。
Valve repositioning allows fluid passage and sliding of the piston joins the first and second components.
压力的变化将精确定位阀杆总成，使得阀门实现所要求的启、闭或调节的操作。
Varying the amount of pressure accurately positions the stem assembly to open, close or modulate the valve as required.
内置的止动装置为动力执行机构提供行程保护，并且作为参考坐标在开启和关闭位置定位阀瓣。
Internal stops provide positive over travel protection for power actuated valves and act as a reference to position the discs in the open and closed positions.
我们提供的闸阀的结构形式具有两种：平行阀瓣和弹性楔形闸板。平行阀瓣为定位阀座密封；弹性楔形闸板在关闭时则是扭矩阀座密封。
Gate valves are offered in two designs: Parallel Disc and Flexible Wedge. Parallel Disc are position seated; Flexible Wedge are torque seated when closing.
手轮可以拆卸并重新定位在环绕阀杆的六个位置中的任何一个位置上。
The handwheel can be removed and repositioned any of six positions around the stem.
阀盖轴承和整体阀座轴承引导阀杆总成，实现与阀座的精确定位。
A cover bearing and integral seat bearing guide the stem assembly for precise alignment with the seat.
执行机构采用气动薄膜或气缸执行机构的，随阀提供配套隔爆型电？气阀门定位器。
For the actuators with pneumatic diaphragms or air cylinders the matching flame-proof type electric-gas valve positioner shall be provided together with the valve.
针对气动系统的非线性，提出一种模糊pid控制算法，使用高速开关阀，对气动执行器进行伺服定位控制。
A fuzzy PID control method was presented which controls the pneumatic actuator servo position system using high-speed switching valves.
本文针对比例阀缸系统，提出了用理想曲线实现液压缸的全行程任意点的缓冲定位问题。
Based on a proportional valve-hydraulic cylinder system, this paper puts forward the problem of implementing cushioning and positioning at any point in full-stroke by using ideal curve.
该电动驱动系统使得旋转阀的旋转的起动和停止具有准确的定位。
The electric drive system allows for the starting and stopping of the rotation of a rotary valve with accurate positioning.
将阀盖及阀盖上的内部引导放置在弹簧上，定位内部端线圈。
Place the cover onto the spring with the internal guide on the cover positioned inside the end coil.
该类型定位器能按特定的输入信号使阀球或阀板停留在特定位置。
It provides a valve ball or disk position for a specific input signal.
空气进气节流调节阀：带有气动定位和执行机构。
Air inlet throttle valve with pneumatic actuator and positioner.
货舱安全阀的设定位置是否正确，安全阀实际定位的显示是否清楚和直观？
Are cargo tank relief valves set correctly and actual relief valve Settings clearly and visibly displayed?
DL- 8型多路阀具有操纵轻便、换向灵活、定位可靠的特点。
It is easy to operate, flexible in changing direction and reliable in positioning.
阀杆及其沟槽环和定位套筒显示阀门的节流位置。
The valve stem with its grooved rings and positioning sleeve indicates the throttled position of the valve.
阀瓣旋转自如，避免定位磨损。
智能阀门定位器的控制精度很高，可以实现调节阀的精确控制，从而提高系统的控制水平。
Intelligent valve Positioner the control precision high, can achieve precise control valve, thereby enhancing the level of control system.
电动控制的流量控制阀可实现流量的连续控制，嵌在阀中的一个发射节流器能够精确定位并实时反馈发生堵塞位置的信息。
The electric flow control valve provides continuously variable flow control. Embedded in the valve is an absolute position sensor that sends real-time feedback about the choke's exact position.
新工厂中的仪表装置包括Rosemount温度和压力变送器、MicroMotion质量流量计以及配有FIELDVUE数字阀门定位器的Fisher控制阀。
Instrumentation in the new plant includes Rosemount temperature and pressure transmitters, Micro Motion mass flowmeters, and FIELDVUE digital valve controllers mounted on Fisher control valves.
水暖控制阀由阀壳、阀外盖、内盖、压簧、阀芯、定位装置及密封圈构成。
The water heating control valve is composed of a valve casing, a valve outer cover, an inner cover, a pressure spring, a valve core, a positioning device and a sealing ring.
安装阀门定位器，校验控制阀。
空气过滤器减压阀，电磁阀，阀位反馈装置，阀门定位器，快速排气阀。
Air filtering pressure reducing valve, solenoid valve, valve location feedback device, valve gate locator, quick exhaust valce.
从快速性和稳态误差二个方面，分析了元件参数（特别是阀芯定位弹簧刚度）对分流精度的影响。
The influence of the parameters of the valve(in particular the spring rigidity of the valve rod) on flow-dividing accuracy is analysed in the rate of self-regulation and the steady-state error.
智能型阀门定位器是气动调节阀实现智能控制的核心附件之一。
The smart valve positioner is one of the kernel components for pneumatic valves in realizing intelligent control.
水力控制阀由于这种力矩平衡，保证了调节阀开度与输人信号之间对应关系准确，实现了阀芯正确定位。
Because of this torque balance, ensure the valve opening and the corresponding relationship between the input signal accurately to achieve the correct positioning of the spool.
定位器、P/P定位器、空气过滤减压阀、气动加速器、气控阀、限位开关、电磁阀、闭锁阀、速度控制器、阀位传送器等。
E/P Positioner, P/P Positioner, Air-set, Booster relay, Air-valve, Limit switch, Solenoid valve, Lock-valve, Speed controller, Position transmitter, etc.
它由分配器本体、旋转阀心、定位轮、定位爪、油缸等组成。
The utility model is formed by a distributor body, a rotary valve core, a locating wheel, a locating detent, an oil cylinder and so on.
它由分配器本体、旋转阀心、定位轮、定位爪、油缸等组成。
The utility model is formed by a distributor body, a rotary valve core, a locating wheel, a locating detent, an oil cylinder and so on.
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