Water hydraulic directional valve;
纯水液压换向阀；
A new type of digital directional valve is presented.
给出了一种新型电液数字换向阀。
A proportional directional valve however will be controlled by an electrical device more like a dimmer switch.
一个比例方向阀是由与一个与调光开关非常象的电设备控制的。
So in effect the proportional directional valve is acting as both a directional valve and a flow control valve.
于是在实际上比例阀可以同时作为方向阀和流量阀来使用。
The model DL-8 multiple directional valve can also be used in hydraulic systems in other engineering machinery.
8型多路阀还可以应用于其它工程机械的液压系统中。
The performance of the water hydraulic directional valve can achieve the level of traditional oil hydraulic directional valve.
研制的纯水换向阀的性能基本达到了现有同类油压换向阀的水平。
This paper puts forward the method of intelligent compensation of dead zone in electrohydraulic proportional directional valve.
本文提出了电液比例方向阀死区的一种智能补偿方法。
The construction of concentric bi-directional valve overcomes the disadvantage of easy to connect between two parallel check valves.
同心双向阀结构克服了传统的单向阀并联结构两阀间易连通的缺点。
This paper introduces the features of a computer-controlled testing device for pneumatic directional valve and pneumatic system tests and measurements.
介绍一种采用计算机控制与检测气动换向阀试验台的特点和测试系统设计。
GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the valve opened closed.
GD Q气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
An integral electronic board, mounted to the side of the valve, may be utilized to control the 4-way directional valve and motor direction (when not using a rotary encoder control).
安装在计量阀侧边的集成电板可用于控制该独特的4通阀门和马达方向（在不使用旋转编码控制器时）。
The rotation directional valve, key component of the system, is developed. Influence principles of structural parameters are analyzed based on the mathematical and simulation model.
设计了液压负载模拟系统中的关键元件旋转式换向阀，建立了其数学模型和仿真模型，并仿真分析其关键参数对液压负载模拟系统的影响规律。
CF pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
CF高真空挡板阀系列是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
GD Q型气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
A new hydraulic load simulation system, adopting a rotation directional valve and using a spring accumulator simulating the starter load, is proposed and working principles are described.
提出了一种采用旋转式换向阀及弹簧蓄能器模拟发动机负载的液压负载模拟系统，详细介绍了该系统的工作原理；
GIQ pneumatic high vacuum butterfly valve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the butterfly valve opened closed.
是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
The utility model discloses a pneumatic control multi-way directional valve applied to a remote pneumatic-control hydraulic system with the coexistence of large flow rate and small flow rate.
一种应用于远程气动控制液压系统的大、小流量并存的多气控换向阀。
The existing hydraulic test bench can test experiments of general hydraulic components while as can't test special hydraulic components(such as cartridge valves and multi-way directional valve).
现有液压实验台可以做通用液压元件的实验，却不能满足特殊液压元件（如插装阀和多路换向阀）的测试。
Slide valve function of three position directional valve not only affects the working state of hydraulic system but also affects the working performance of implement part when changing direction.
三位换向阀滑阀机能不但影响液压系统的工作状态，也影响执行元件换向时的工作性能。
VTLPBUF01 pneumatic high vacuum butterfly valve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the butterfly valve opened closed.
VTLPBUF01型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
GIQ pneumatic high vacuum butterfly valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed.
真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed.
秦工生产的GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
GIQ pneumatic high vacuum butterfly valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed.
GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
The Bi-Directional Knife Gate Valve provides bubble tight shutoff in both directions up to full rating of the valve.
这种双向刀闸阀在阀门压力等级下，任何方向均可实现气泡级密封关闭功能。
When a set of Hydraulic Elevators are used, then a hydraulic supply from a directional control valve is required.
当使用一套液压提升集时，那么一个提供液压动力的方向控制阀是必需的。
In pneumatic position servo system with proportional directional control valve and control cylinder, the centre adjust emt voltage is one of the important factors that influence control precision.
在比例方向阀控缸气动位置伺服系统中，置中电压是影响控制精度的重要因素之一。
As important directional control valve, direction valve is used to control the direction of movement part.
换向阀作为重要的方向控制阀，用来实现运动部件的方向控制。
This thesis introduces the construction character of directional throttle proportional valve and the application of this valve to large-scale plastic Jetting-moulding machine.
通过对电液比例方向节流阀控制大型注塑机的注塑成形过程分析，介绍了比例方向节流阀的结构特点和在大型注塑机中的应用。
The triple Offset Butterfly Valve provides a bi-directional bubble tight shut-off.
三偏心蝶阀具有双向无气泡紧密关闭性能。
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