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www.304.com特质

日期:2017-07-05

www.304.com的构造原理

www.304.com构造简略,只由少数几个零件组成,资料耗用省;体积小、重量轻、安装尺寸小 www.304.com结构图,驱动力矩小, 压力调节阀,操作简便、敏捷,只需旋转90°即可快速启闭;并且还同时具有良好的流量调节功效和封闭密封特性,在大中口径、中低压力的应用范畴,www.304.com是主导的阀门情势。阀门是蒙受内压的机械产品,因而必需具有足够的强度和刚度,以保证长期使用而不产生决裂或发生变形。

The construction principle of electric ball valve

The electric ball valve structure simple, only by a few parts, material consumption; small volume and light weight, installation of small size electric ball valve structure, small driving torque, pressure regulating valve, simple and agile, can only rotate 90 degrees rapid opening and closing; and also has good flow regulating effect and closed the sealing characteristics, the scope of application in the large size, low pressure, electric ball valve is the dominant form of valve. The valve is subjected to internal pressure of mechanical products, and therefore must have sufficient strength and stiffness, in order to ensure long-term use without breaking or deformation.

www.304.com的使用

 随着工业的迅速发展,电动调节阀在冶金、石油化工等领域的应用越来越广泛,其稳定性、可靠性也显得越来越重要,它的工作状态的好坏将直接影响自动控制过程,本文将详细阐述电动调节阀的使用和维修。

    1.安装使用注意事项

    新设计、安装的控制系统,为了确保调节阀在开车时能正常工作,并使系统安全运行,新阀在安装之前,应首先检查阀上的铭牌标记是否与设计要求相符。同时还应对以下项目进行调试。

    基本误差限;全行程偏差;回差;死区;泄漏量(在要求严格的场合时进行)。

    如果是对原系统中调节阀进行了大修,除了对上述各项进行校验外,还应对旧阀的填料函和连接处等部位进行密封性检查。

The use of electric control valve

With the rapid development of China's industry, the electric control valve used in metallurgy, petrochemical and other fields more widely, its stability, reliability becomes more and more important, its work directly affects the state of the automatic control process, this paper will elaborate on the use of electric control valves and maintenance.

1. installation notice

The new control system design and installation, in order to ensure that the valves in driving to work, and make the system safe operation, before installing the new valve should first check whether the valve on the nameplate labeled with the design requirements. At the same time, the following items should be debugged.

Basic error limit; full range deviation; backlash; dead zone; leakage (in demanding situations).

If it is the original system, the valve has been overhauled, in addition to the above for verification, but also to the old valve stuffing box and connections and other parts of the seal inspection.

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