A governing valve is the instrument for changing flow resistance and heat transfer flux of hot water, controlling pressure and temperature of heating system.
在热水供暖系统中，调节阀是改变热媒流动阻力、传热量变化及控制系统的调节装置。调节阀的选型、使用涉及多方面知识。
This paper also puts forwards a new method of steam valve governing.
然后，提出了一种新的DEH中阀门管理的思想。
During the process of steam turbine s control mode transformation, in order to get the governing valve s put-in and put-out characteristic, the governing valve s characteristic equation should be built.
在汽轮机控制方式改造过程中，为了得到DEH系统阀门管理环节的输入-输出特性，需要建立调节汽门的特性方程。
The possibility of combustion ratio of boiler and control valve of governing system disturbance inducing the variation of.
详细分析了锅炉燃烧率扰动和汽轮机调节汽门扰动能否引起汽轮机功率变化。
Through governing valve opening and the different pressure between inlet and outlet during limit process to cause flux characteristic distortion, the article analyzes that valve opening change law with different limit value and rendering adjustable ratio curve and precision curve to afford reference calculation method to choice reasonable valve parameter.
文章通过对限流过程中某种调节阀开度及进出口差压变化引起流量特性的畸变，分析不同限流值时调节阀开度变化规律，计算并绘制出限流调节过程的可调比曲线和精度曲线，为合理选择调节阀的参数提供参考计算方法。
The dam press beforehand made up software program came satisfaction self governing oblige, namely on the basis of high or low-water signal came control radial diffuser influent valve%26rsquo; s switch, and proceed overfull and low water%26rsquo; s grade from water tank and pond back of the monitor prime include radial diffuser automatism open cease dam, water level flow, man metric measuring and regulate; use water flow, displacement'measure; water treatment equipment locomotive put in control; water quality detection; water conservation program control; malfunction and error state'enter grade up under observation back of the through the medium of transducer and bang-bang control component self-correcting pumping unit expeditiously running.
供水系统的监控主要包括水泵的自动启停控制、供水压力的测量与调节、系统主管道水压的；系统水处理设备运转的监视、控制；故障及异常状况的报警等。
The dam press beforehand made up software program came satisfaction self governing oblige, namely on the basis of high or low-water signal came control radial diffuser influent valve`s switch, and proceed overfull and low water`s grade from water tank and pond back of the monitor prime include radial diffuser automatism open cease dam, water level flow, man metric measuring and regulate; use water flow, displacement'measure; water treatment equipment locomotive put in control; water quality detection; water conservation program control; malfunction and error state'enter grade up under observation back of the through the medium of transducer and bang-bang control component self-correcting pumping unit expeditiously running.
供水系统的监控主要包括水泵的自动启停控制、供水压力的测量与调节、系统主管道水压的；系统水处理设备运转的监视、控制；故障及异常状况的报警等。
Pneumatic Test Loop Design of Governing Valve Test System of Automotive Air Braking ABS
汽车气制动ABS调节阀测试系统气动测试回路设计研究
Pulse Width Modulation (PWM) was introduced to control the gas flow by governing the injection valve.
采用脉宽调制（PWM）方式控制天然气喷射阀的喷射量；
Reasons Analysis and Treatment of Sway of Feed-water Pump Turbine Governing Valve
给水泵汽轮机调门晃动原因分析及处理
The gas throttling governing system comprises a pressure-limiting valve, a speed-limiting valve and a partition board.
气体推助器包括波纹管及内部弹簧、排气阀、吸气阀，气体节流调节系统包括限压阀、限速阀、隔板。
Analysis on Static Characteristics of Butterfly Valve Type Hydraulic Amplifier in Turbine Governing System
调速系统碟阀放大器静特性分析
The paper analyzes the effects of overflow valve stability pressure governing deviation on control performance of hydraulic hoist, and points out that the existence of overflow valve stability pressure governing deviation can make the efficiency of hoist control system decline and the control performance unimaginable.
分析了溢流阀稳态调压偏差对液压提升机控制性能的影响，指出由于溢流阀稳态调压偏差的存在，使提升机控制系统的效率降低，控制特性较差。
Effects of Overflow Valve Stability Pressure Governing Deviation on Control Performance of Hydraulic Hoist
溢流阀稳态调压偏差对液压提升机控制性能的影响
The failure of valve opening sensor would cause valve management of DEH system working confusedly, and result in large scale change of turbine power in the case of governing stage pressure loop idle.
DEH系统中阀位传感器的故障会给阀门管理带来混乱，特别在调节级压力回路未投入的情况下会引起汽机功率的较大变化。
The technology of variable frequency speed governing was used in the driving system of the experiment stand. And the advanced stepping digital overflow valve was adopted in the part of loading.
该试验台的驱动系统采用交流变频调速技术，加载部分采用先进的步进式数字溢流阀进行加载。
Adopt electric governing valve and PID governor to control GLEASON quenching press oil temperature under ± 3 ℃ range.
采用电动调节阀和PID调节仪控制格里森淬火压床的淬火油温，使压床内淬火油温度控制在±3℃范围内。
Analysis on Adjustment Test of Turbine Valve Switching off Load Governing Mode
汽机阀门活动性调整实验导致负荷调整控制切除的分析
Introduce the principle of frequency conversion governing briefly and analyze pump work feature and energy saving. At the same time make a comparison on valve control and rotating control under the circumstance of different flow demand.
简单介绍了变频调速的原理，并对泵的工作特性及节能情况进行了分析，同时对用户不同流量需求情况下的阀门控制和转速控制进行了比较。
Reason analysis of governing valve trouble after digital electro-hydraulic system reformed of 215 MW turboset made by the former Soviet Union
前苏制215MW汽轮机组DEH改造后调门故障原因分析