查询词典 pressure valve

Here is the main content.The control unit of this system use 8031 as the controller of CPU. It can collect the pressure singals of the gasoline tank and adjust the big and small of the fuel vapor pressure, cooperating with steam pressure sensor and electromotion valve.

主要内容有以下几点：(1)测控系统的控制部分是以8031单片机为CPU的控制器，它配合蒸汽压力传感器和电动调节阀完成油箱内信号采集和汽油蒸汽压力调节功能。

For power-driven valve, high pressure sealing test of the test pressure should be selected by using the power drive unit design pressure of 110%.

对于动力驱动的截止阀，高压密封试验的试验压力应是选定动力驱动装置所使用的设计压差的110％。

Results of numerical simulations were validated by measuring the piston displacement, cylinder pressure, discharge valve displacement. The calculated displacement waveform of the discharge valve is accordant with the experimental one, which demonstrates that the valve model is reasonable.

通过分析比较不同工况下排气阀位移的计算值与实验值，可以看到阀片位移波形的变化趋势是一致的，位移峰值相互对应，说明模拟计算的结果基本正确，建立的气阀模型是合理的。

Furthermore, The effects of inlet velocity, outlet pressure, opening size as well as cone angle on cavitation intensity in the poppet valve, ball valve and water hydraulic poppet valve were numerically investigated.

进一步分析了锥阀，球阀和纯水液压锥阀阀口几何参数与边界条件对气穴的影响。

R12 on the ozone layer due to the destruction of the requirements of the developed countries for environmental protection from 1996 to start using refrigerant R134a Automotive Air-conditioning and the construction of air-conditioning at home in a similar, it is often installed in the compressor engine, and with a belt drive, the condenser installed in the car in front of the radiator, and evaporator in the car inside, and work out from the evaporator of low pressure gaseous refrigerant flows through a high-pressure high-temperature gas compressor After cooling condenser cooling tube cooling into the low-temperature high-pressure liquid, through the desiccant dryers and storage of buffer, and then to a more stable flow of pressure and flow expansion valve, the final expenditure and the flow of relief evaporator.

由于R12对大气臭氧层的破坏，出于环保的要求发达国家从1996年开始改用R134a做制冷剂汽车空调的构造和家用的分体空调类似，它的压缩机往往是安装在发动机上，并用皮带驱动，冷凝器安装在汽车散热器的前方，而蒸发器在车里面，工作时从蒸发器出来的低压气态致冷剂流经压缩机变成高压高温气体，经过冷凝器散热管降温冷却变成高压低温的液体，再经过贮液干燥器除湿与缓冲，然后以较稳定的压力和流量流向膨胀阀，经节流和降压最后流向蒸发器。

It adopts a fully automated control system, and all control components are famous brands, including PLC and engineering control screen, steam pressure-reducing valve, regulating valve, by-pass valve, material pump and hot water pump.

采用全自动控制系统，控制元件均采用名牌产品，包括PLC程控器及工控屏、蒸汽减压阀、调节阀、分流阀、物料泵及热水泵。

Through the regulation of the pressure in the high pressure chamber and low pressure chamber, TPC valve can make the sum of the pressure in the two chambers be a constant.

总压控制阀的作用是通过使泵控系统高、低压腔的压均可调节，从而实现这腔的压之和为一个常。

Main work of this text:First, in view of the use widespread some type parameter cage control valve, use the three-dimensional modeling software to establishment valve interior flow field model, through CFD preprocessor production computation grid, using CFD software to separate solve, may obtain the regulating valve interior flow field the visible graph, like pressure and velocity vectors chart, contour map and so on.

本文主要工作：一、针对使用广泛的某一类型参数的套筒型调节阀，应用三维建模软件建立阀门内部流场模型，通过CFD前处理器生成计算网格，应用CFD软件进行离散求解，可以得到调节阀内部流场的可视化图形，如压力、速度等矢量图，等值线图等。

This company mainly produces oil level table, gas relays, pressure release valve, shrink tape, valve, butterfly valve, transformer switches, etc. dozens of decomposition products.

本公司主要生产油位表、气体继电器、压力释放阀、收缩带、活门、蝶阀、变压器分解开关等数十种产品。

The metal hard seal high-temperature and high-pressure patent ball valve won a gold prize of the 1995 44th session of the EUREKA Exposition; the DN350-500 -path sluice valve, gold prize of the 1995 China Scientific Exposition; and the DN600-path sluice valve, a gold prize, gold prize of the 1996 Chinese Patents and New Products.

金 属硬密封高温、高压专利球阀荣获95′第44届尤里卡国际发明博览会金奖；DN350-500通径的闸阀荣获95′中国科学博览会金奖；DN600通径的闸阀荣获96中国专利及新产品金奖。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。