进口油用减压阀属于先导活塞式减压阀。
噪声是先导式溢流阀一个比较突出的问题，直接影响到液压系统的正常工作。
Being a very obvious problem of piloted relief valve, noise affects the normal work of hydraulic system directly.
PWR的压力释放装置主要有四种类型：直接作用式安全阀、先导操作压力释放阀、动力作用式压力释放阀和具有辅助装置的安全阀。
There are four types for PWR pressure-relieving devices: direct acting safety valve, pilot-operated pressure relief valve, power-operated pressure relief valve and safety valve with auxiliaries.
介绍一种在超低压和振动条件下工作的先导式全启安全阀的结构特点及工作原理。
The structure characteristics and operation principium of new type pilot operated all open safety valve under low pressure and vibration working conditions are introduced.
本论文通过对石油化工行业先导式泄压阀的计算机辅助设计选型系统的研制，阐述了先导式泄压阀的操作性能、动作原理及选型时的参数选择。
In this paper, studying on computer aided sizing design system of piloted relief valve, expatiate on the capacity of operation, principle of movement and how to choose the parameter when sizing.
从流场控制的角度，研究了先导式纯水溢流阀抑制汽蚀方法。
From the view of flow control, the method of cavitation resistance of a pilot-operated water hydraulic valve was investigated.
该文介绍了一种新型的数字式液压操纵系统，系统采用并联方案，以高速电磁阀为先导控制级，通过双节流阀进行操纵系统的压力、流量控制。
It is a parallel connection system and this system USES the high-speed valve as a pilot valve to control the twin throttle which controls the pressure and the flux of the hydraulic control system.
介绍了一种适应于煤矿井下液压支架使用的高压、大流量、操作力矩小的先导式平面截止阀，并详细介绍了其工作原理、结构和使用性能特点。
A cut-off plane valve applicable for the hydraulic shield in the coal mine is introduced, which has the feature of high pressure, large flux and small handling moment.
本文研究了用先导式溢流阀作为恒压油源控制器的性能，所得结论，曾在实船的施工中获得印证。
This paper researches into the quality of the pilot relief valve of a constant pressure pump station. The conclusion reached has been proved in the building of ships.
文章对系统先导式压力调节阀的先导阀芯进行了建模与仿真，分析了在压力冲击下先导阀芯的动态响应特性，论证了系统压力调节过程中良好的压力跟随性能；
The dissertation sets up the data model of the precursor core of the pressure valve, analyzes its dynamic response performance under hydraulic impact, proves its good response characteristic.
目前工厂生产的主导产品有：波纹管密封截止阀、自由浮球疏水阀、先导式减压阀、气动调节阀、自作用式温控阀、汽水分离器等。
The chief products include: Bellows seal globe valve, Free-float steam trap, Pilot pressure reducing valve, Pneumatic control valve, Self-acting temperature-sensing valve, Cyclone separator etc.
在不同压力、阀口开度等多种条件下，对先导式纯水溢流阀进行了试验研究。
The experiments were carried out with different supply pressure, flow rate and the pilot-operated water hydraulic relief valve opening on.
本发明涉及液压阀技术领域，具体涉及一种先导式卸荷阀。
The present invention relates to the technical field of hydraulic valve, which particularly relates to a pilot operated unloading valve.
本文分析直动式与先导式减压阀的结构，提出了直动式减压阀在减压回路应用当中的问题，给出了解决问题的具体方法和措施。
The article analyses the operational characteristics and insufficiencies of the reaction type pressure reducing valve and the balance type pressure reducing valve by calculation and experimentation.
本文分析直动式与先导式减压阀的结构，提出了直动式减压阀在减压回路应用当中的问题，给出了解决问题的具体方法和措施。
The article analyses the operational characteristics and insufficiencies of the reaction type pressure reducing valve and the balance type pressure reducing valve by calculation and experimentation.
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