What is the difference expansion between turbine expander and valve throttle ?
透平式膨胀机和节流阀之间的膨胀有什么不同。
The model of thermal expand valve is built and the connection of flux, pressure difference between the front and behind of the valve and cryogen dryness of inlet and outlet.
建立了热力膨胀阀模型，重点建立了流量与阀前后压差及制冷剂进出口干度的关系。
It has the same movement rotated 90 degrees to mention only difference is that Jacket Ball Valve cock body is a sphere, a circular through-hole or channel through its axis.
它具有相同的旋转90度提动作，不同的是旋塞体是球体，有圆形通孔或通道通过其轴线。
When the pressure difference changes with time, a phase shift will occur between the transient pressure difference and displace of valve flap, which could cause leakage and even reverse flow.
当阀片两侧的压差随时间变化时，阀片的启闭与压差的变化之间存在一定的相位差，有可能引起泄漏甚至反向流动。
Using the pressure difference formed by pressure difference regulating valve, overcome flow resistance of refrigerant in evaporater, supply excess low pressure liquid refrigerant for evaporater.
用压差调节阀形成的压差克服蒸发器内制冷剂的流动阻力，把低压液体制冷剂超量供入蒸发器。
Introduces the working principle and the method of the selection about the type ZY47 Valve controlled by the pressure difference, and analyses its adaption condition.
介绍了ZY 47型自力式压差控制阀的工作原理和选型方法，分析了不同被控环路系统的适用条件。
The effective areas of the serial passage in one of the valve were calculated. It is found that the difference is 8.9% between different passages.
气动换向阀串联流道等效面积计算结果表明，不同通道之间的等效面积差别为8.9%，可见各流道结构参数没有得到合理匹配。
Our main products include solenoid valve, thermostatic expansion valve, sight glasses, filter dryer, pressure controller, pressure difference controller , temperature controller.
公司主要产品为电磁阀、热力膨胀阀、视液镜、干燥过滤器及压力、压差控制器。
The intensity of the murmur reflects the size of the valvular leak, the acoustic properties of the chest, and the pressure difference across the valve.
其强度提示瓣膜泄漏面积、胸腔声学特征、及穿过瓣膜的压力差异。
In this paper the static stress distribution of closed valve during diastole under the peak across valve pressure difference is analyzed with nonlinear finite element method.
用有限元数值方法计算了在心室舒张期瓣膜关闭瞬时峰值跨瓣压差作用下的静态应力分布。
Through analysis to caustic scribing tower, the difference of structural design of floating valve tower for atmospheric and pressurized conditions is clearly described.
通过对碱洗塔分析，指出常、加压浮阀塔结构设计的不同。
Performance experiments about ZY47 pressure -difference control valve and ZL47 flux control valve have been done, based on their structure and work principle, presented the method of type selection.
对ZY 47型自力式压差控制阀和ZL47型流量控制阀进行了性能实验，并依据它们的结构特点和工作原理，提出了选型方法。
The utility model discloses a large pressure difference professional valve which is suitable for work conditions with high temperature and pressure.
本实用新型公开一种适用于高温高压工况下使用的大压差专业阀门。
The results show that:a big difference in the amounts of IVD are created according to different fuel detergents, the difference of average amount of each valve may exceed 10 times.
研究结果表明：使用清净性不同的车用汽油，所产生进气阀沉积物数量差别很大，平均每阀沉积物质量超过10倍；
Working pressure is the hydraulic pressure control valve before the working hydraulic control valve back pressure minus the difference.
工作压差是指水力控制阀前的工作压力减去水力控制阀出口背压的差值。
The difference between leak rate and rate of pressure rise of high vacuum pneumatic operation baffle valve is analyzed.
本文通过高真空气动挡板阀的数据分析来说明漏率和升压率在高真空范围内二者之间的差异。
Notes: 1. The index showed is average valve, which will produce difference due to the raw material, technology and test measure.
注：1、所示指标为平均值，因原料、工艺以及测试方法的不同会产生差异。
There is difference attitude about whether it is necessary to open all the governing valve in sliding pressure operating mode.
滑压调节时是否有必要全开所有的调节阀，还是可以仅仅全开部分的调节阀运行，国内在理论上对此存在着分歧。
A further difference between a switching solenoid valve and a proportional valve is in the design of the spool.
比例阀与开关电磁阀之间的另一个区别是阀芯的设计。
In this paper, temperature difference self-power adjusting valve is used to make BF cooling apparatus change constant flux water supply mode to constant difference in temperature cooling mode.
针对高炉恒流量供水冷却方式的弊端，提出采用温差自力式调节阀使高炉按恒温差供水冷却方式冷却。
Electro-hydraulic servo valve and proportional valve biggest difference is that electromechanical converter.
电液伺服阀与电液比例阀最大的差别在于电机械转换器。
Electro-hydraulic servo valve and proportional valve biggest difference is that electromechanical converter.
电液伺服阀与电液比例阀最大的差别在于电机械转换器。
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