Many pressure dominated testing valve is through pumping of relieving annulus pressure to realize open or shut down hole test valve and keep annulus pressure for certain all the time.
许多种压控测试阀均是通过环空加泵压打开，泄掉泵压关闭，开井过程中环空始终保持一定的开启压力。
Secondly, testing the exterior wall's heating transfer coefficient in tier building, the differences between testing valve and design value is about 8.43%, and analysis the reason of the error.
其次对一栋多层建筑的外墙传热系数进行了测试，测试值和设计值相差8.43%，并分析了产生误差的原因。
Adjustments for envelope squeeze on seats and valve testing are done by machine during factory assembly.
在工厂组装期间，采用机械设备对阀座和阀门测试封装挤压进行调整。
For indoor installations, it is important that the valve be easily accessible to facilitate testing and servicing. Do not install in a concealed location.
对于室内安装，重要的是要使得阀门易于进行测试和维修。不要安装在一个隐蔽的位置。
With the improved valve design, the engine will actually run without the flywheel, but it will need one if I do any dyno testing.
随着改善阀的设计，发动机将实际运行的飞轮，但它需要一个如果我不采取任何赛道测试。
The company has the most advanced Yazui valve testing devices, can accurately detect its wholly-performance curve.
本公司拥有最先进的鸭嘴阀测试装置，能准确的检测其全性能曲线。
Adjustments for envelope squeeze on seats and valve testing are done by machine during factory assembly.
在工厂组装期间，阀座的封装挤压和阀门测试的调整都是通过机械设备进行操作。
For indoor installations, it is important that the valve be easily accessible to facilitate testing and servicing.
对于室内安装，重要的是要使得阀门容易接近，便于检测和维修。
Valve can turn 90 degree working in testing course, especial suitable for property experiments of gas seal.
阀门在试验过程中可翻转90度工作，特别适用气密封性能试验。
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。
The paper shows a mathematical model for hydraulic calculation and introduces testing and applying of such valve.
文中提供了水力计算数学模型，介绍了该阀的试验和使用情况。
An analysis of why the bleeding check valve of a 600 MW steam turbine-generator set couldn't readily shut during testing is being presented, together with means of improvement.
对进口某型号600MW汽轮发电机组在进行试验时出现抽汽逆止阀关闭不到位现象进行分析，并提出了改进措施。
EQUIPMENT REQUIRED: Valve must be installed per drawing and one (1) flexible hose with adapters furnished for testing.
设备要求：阀门必须按图示安装，必须配置一条带适配器的柔性软管用于检测。
Automatic test valve and the valve should be automated production line phase, but also the required testing time.
阀门自动测试应该与阀门自动生产线相接，而且要求在规定的时间内完成检测工作。
The single unit cap and lifting lever permit manual valve opening (testing) with low required force on the lever.
这种一体式阀盖和提升杆使得检测人员只需轻轻扳起测试杆即可人工手动开启阀门进行测试。
By regarding testing mechanics behaviors of frozen soil frost heave as the research background, a hydraulic force control system was designed on the basis of valve control asymmetric cylinder.
以测试冻土冻胀的力学行为为研究背景，设计了一套基于阀控非对称缸的液压力控制系统。
The testing result shows that sealing compound performance is good, costs are low, and is suitable for static seal of pipe line and valve under different temperature conditions.
测试结果表明，该密封胶性能优良，成本低廉，可适用于不同温度条件下的管线阀门等静密封。
Imported from Italian COSTER valve with big cover, flabelliform fog-spray, good handle with no jam, nozzle P, D, R is commutative, meeting with the different testing requirements.
引进原装意大利COSTER大盖嘴阀门，雾状呈扇形、不堵、手感好，P、D、R喷嘴可互换，以达到不同检测喷雾要求。
In order to predict reliability, a sound valve design must be backed up up by a stress analysis and functional qualification testing under critical operating conditions.
为了预测可靠性，一个可靠的阀门设计必须通过临界操作条件下的应力分析和功能合格测试。
This paper introduced that the structure, testing principle and boundary design of the system software for test system of the performance core of security valve.
介绍了安全阀铁心磁性能测试系统的结构、测量原理。系统软件界面设计。
The matching test for F8 electro pneumatic brake and U5A empty and load adjustment valve is described. The testing results are analysed. The matching parameters and mounting plan are put forward.
介绍了F8电空制动机与U5A空重车调整阀的匹配试验情况，对试验结果进行了分析，提出了匹配参数及装车方案。
The structure, testing principle and boundary design of the system software for test system of the performance core of security valve are introduced in this paper.
介绍了安全阀铁心磁性能测试系统的结构、测量原理、系统软件界面设计。
The validity of the simulation calculations results on the valve train is validated by the forces testing.
配气机构受力测试实验验证了配气机构模拟计算的有效性。
Valve electric device design, manufacturing, testing to be involved in a number of standards to regulate the work.
阀门电动装置的设计、制造、试验中要涉及一些尺度以规范上述工作。
The measurement and control system of pump-valve testing station is mainly composed of data acquisition, processing system and automatic control system.
泵阀试验台测控系统主要由试验台的数据采集处理系统和自动控制系统两部分组成。
Typical applicable locations are: air compressor, vacuum pump, compressing air pipeline, pressure regulating valve, testing equipment, medical sterilizer, etc.
典型的应用场所为：空气压缩机、真空泵、工艺管路、调压阀、测试设备、医用消毒器等。
This paper presents a novel design of coolant tank testing system, where the pressure and flux is controlled by reducor valve and throttle.
提出一种汽车发动机冷却液储液罐试验系统的设计方案。
This alarming system has been applied in the safety valve testing boiler in Harbin boiler Company Limited.
此报警系统在哈尔滨锅炉有限责任公司安全阀蒸汽试验锅炉中得到了实际应用。
This alarming system has been applied in the safety valve testing boiler in Harbin boiler Company Limited.
此报警系统在哈尔滨锅炉有限责任公司安全阀蒸汽试验锅炉中得到了实际应用。
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