In liquid, gas or powder medium flow pipe, need different kinds of medium flow valve cut or control.
在液体、气体或粉末介质流动的管道中，需要不同种类阀门对介质的流动进行切断或控制。
Leading energy loss of the flow valve in hydraulic rock drill was analyzed and its formula was presented.
分析了液压凿岩机配油阀的主要能量损失，给出了其计算表达式。
An over review of the proportional pressure valve and proportional flow valve at home and abroad is summarized.
综述了比例压力阀和比例流量阀国内外的研究进展，并且对比例阀未来的发展趋势进行了展望。
This paper adopts the control technology of single chip C8051F320 core in electronic-hydraulic proportional flow valve.
在电液比例流量阀中，本文采用了以单片机c 8051f 320为核心的控制技术。
A pneumatic rotary actuator angular position servo system is studied, which adopts 3-port proportional flow valve as a control device.
该文对三通比例流量阀控制的摆动气缸转角位置伺服系统进行研究。
Based on the sealing mechanism of the metallic sealing pair, the necessary conditions of sealing were analyzed and the large flow valve components were designed.
从金属密封副的密封机理出发，对密封的必要条件进行了分析，设计出了大流量的阀座组件。
Direct control of electro hydraulic digital direction & flow valve by means of PLC can make the control system of hyd. system become simpler, cheaper and reliabler.
采用可煽程控制器（PLC）直接控制电液数字方向流量阀，可使液压系统的控制系统简洁、可靠、成本显著下降。
Because oil fields need the water injection well monitoring device, design a kind of flow rate automatic flow valve that is applied in the water injection well monitoring device.
结合油田注水井监控装置的需要，设计了一种流量自动调节阀，用来配合注水井监控装置的使用。
TUPWR algorithm was adopted for the pump turbine model, SFPUMP for feed pump system, SOVLV for minimal flow valve, and pressure node for calculating the discharge rate of the pump.
给水泵汽轮机模型采用TUPWR算法，给水泵系统采用SFPUMP算法，最小流量阀采用SOVLV算法，泵出口流量的关系采用压力节点进行计算。
The reasonable technique was presented to ensure the manufacturing quality of valve components and sealing failure problem was solved in large flow valve components under high-pressures.
并提出了合理的工艺保证阀座组件的加工，解决了高压条件下大流量阀座组件的密封不良问题。
That is not as easy as it sounds, because the only control typically supplied by the machine builder is a coolant flow valve, and often that valve is not designed for accurate flow control.
这可不像听起来那么容易，因为设备制造者在这方面的唯一控制就是冷却水阀，而且这种阀控制常常涉及得不够精确。
The respective resistance properties for branch pipe were investigated through experiments and GRNN neural network when both conveying velocity and the flow valve opening of branch pipe were changed.
通过试验和GRNN神经网络对输送表观气速和两分支管路流量控制阀开度发生变化时，各分支管路中的阻力特性进行了研究。
The paper investigated the flow distribution of solid phase and the respective resistance properties of branch pipes when both conveying velocity and the flow valve opening of branch pipe are changed.
通过试验，当输送气速和分支管路流量控制阀开度变化时，对分支管路各自的阻力特性和固相颗粒在各分支管路中的流量分配特性进行了研究。
If the 450-ton valve at the wellhead can be turned on, the oil flow should stop, and the spill could be ended quickly.
如果井口450吨重的阀门可以可以关上，油流就可以停止，那么溢油很快就可以停下来。
Equipped with heat flow bypass valve of freezing drying the coolant compressor is not frequently open and shut down.
配备有热气流旁通阀的冷冻式干燥器其冷冻剂压缩机不会频繁地开启和停机。
Under the flow for spool valve closure and relatively easy changes in fluid pressure and flow and less.
对于阀芯下流动，阀门相对地容易关闭而且流体压力和流量变化和少。
Now many frozen type dryer are equipped with heat flow bypass valve or needed to control circuit.
现在许多冷冻式干燥器都配备有热气流旁通阀或所需要的控制电路。
When the proper temperature is reached, alloy will flow readily into space between tube outer wall and valve socket.
达到适当的温度后，合金将迅速容易地流进管道外壳和阀门套管之间的空间。
It consists of five basic parts, the compressor, the condenser, the evaporator, the receiver, and the refrigerant flow control valve or the thermostatic expansion valve.
它由压缩机、冷凝器、蒸发器、制冷剂流量控制阀和或恒温膨胀阀五个基本配件组成。
Heat flow bypass valve through the heat and cold coolant of coolant mixed to make the air-freeze agent in the heat exchanger coolant temperature constant.
热气流旁通阀通过将热冷冻剂与冷的冷冻剂混合，使空气-冷冻剂热交换器中的冷冻剂温度保持恒定。
The results show that at any Angle between axes of inclined swirl control valve and crank shift, flow coefficient and inclined swirl ratio increase gradually with increase of valve opening.
研究结果表明，在任意可变斜轴涡流控制阀轴线与曲轴轴线夹角情况下，流通系数和无因次斜轴涡流比随着阀片开度的增大而逐渐减小。
By varying the current to either solenoid, the amount of spool movement can be varied and hence the amount of flow through the valve can be controlled.
通过改变两个之一电磁铁的电流，阀芯移动的位移能够被改变，因此控制了通过阀的流量。
Through experiment, achieved the relation of the flux and the opening degree of the SPF balance valve, protracted the ideal flow characteristic curve.
通过实验，得到了SPF型平衡阀的流量与开度间的关系，绘制了理想流量特性曲线。
Damper: both gas flow regulating button and wind board are high grade PP material, connected with 304 stainless steel bar, manually adjust the outside valve knob, control air flow.
气流调节阀：气流调节扭与挡风板均为高密度PP材质，用304不锈钢方棒连接，手动调节外部阀门旋钮，控制气流量。
The digital flow rate valve regulates digitally system flow rate to implement speed regulation in hydraulic system.
发数字式流量阀采用数字控制方式，调节系统流量以达到液压系统调整目的。
The digital flow rate valve regulates digitally system flow rate to implement speed regulation in hydraulic system.
发数字式流量阀采用数字控制方式，调节系统流量以达到液压系统调整目的。
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