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  企业资讯/NEWS

电动球阀原理及适用范围

日期:2017-07-13

电动球阀主要由电动实行机构和球阀组成,旋塞体为球体,具有旋转90度的动作。电动球阀可以节流、截止、切断、通断、转流的好产品,还是流量调节系统中的选择。它有耐压、耐温、耐腐、流动阻力小、使用寿命长、应用范围广等多种特点。

电动球阀

电动球阀工作原理:

 

电动球阀主要靠电动实行器里电流量的调节来操作球阀。电动实行器输入输出信号4-20mA及220VAC电源的标准信号,电机组带动齿轮涡轮蜗杆转角力矩,来控制球阀的开与关、分配和改变介质的流动方向或调节阀芯旋转的比例程度,即阀的开度与控制流体成比例,或者叫百分比。
 

电动球阀应用:

 

电动球阀不需要人力操作的,而是智能操作的。在生产过程中,环境场地决定了一切的因素。在高压、高温或者是低压、低温环境中所使用的电动球阀各不一样。应该注意以下几点:

 

1,对于低温低压,材质并不需要太大的做调整。

2,在高压、高温的情况下,应当选用以耐高温高压材料作为电动球阀材料,比如:不锈钢、合金,这类材质可以承受高压、高温。

3,电动球阀其内部的零件需要换成减少对阀芯的损伤,同时也有利于介质的流动、避免电动球阀结焦和堵塞。

4,在电动球阀开启的情况下,可以安装一些避免振动的机械,防止在开启的时候破坏了电动球阀阀芯的内部结构。


The electric ball valve is mainly composed of an electric actuator and a ball valve. The cock body is a sphere and has an action of rotating 90 degrees. Electric ball valve can not only cut off, cut off, cut off, turn off the flow of good products, or flow control system is the preferred product. The utility model has the advantages of high pressure resistance, temperature resistance, corrosion resistance, small flow resistance, long service life, wide application range, etc..

Operation principle of electric ball valve:

Electric ball valve mainly depends on the electric actuator to regulate the flow of electricity to operate the ball valve. Standard signal electric actuator input and output signals of 4-20mA and 220VAC power supply, motor drive worm gear set angle torque, to control the flow direction of the valve opening and closing media distribution and change or adjust the ratio of the degree of rotation of the spool, the valve opening and control fluid in proportion or percentage.

Application of electric ball valve:

Electric ball valve does not need manual operation, but intelligent operation. In the course of production, the environment and the site determine all factors. In high pressure, high temperature or low voltage, low temperature environment, the use of electric ball valve are different. We should pay attention to the following points:

1, for low temperature, low pressure, the material does not need to be adjusted too much.

2, in high pressure, high temperature circumstances, should choose to use high temperature and high pressure materials as electric ball valve materials, such as: stainless steel, alloy, this kind of material can withstand high pressure, high temperature.

3, the electric ball valve, its internal parts need to be replaced to reduce the damage to the spool, but also conducive to the flow of medium, to prevent electric ball valve coking and clogging.

4, in the case of electric ball valve open, you can install some vibration avoidance machinery, to prevent the opening of the valve when the destruction of the internal structure of the valve.




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