电动固定式球阀主要使用于高压大口径的球阀中。是采用固定式球阀阀体和电动执行器组装而成。根据阀座密封圈的安装不同，固定球阀有球体前密封的阀座和球体后密封的阀座两种结构。聚多年球阀制造经验而设计的阀座，确保阀门密封，磨擦系数低，操作力矩小、多种阀座材料、适应范围广。适用于长输管线和一般工业管线，其强度、an全性、耐恶劣环境性等在设进行了综合考虑，适用于多种腐蚀性和非腐蚀性介质。
Electric fixed ball valve is mainly used in high-pressure large-diameter ball valve. It is assembled with fixed ball valve body and electric actuator. According to the installation of the sealing ring of the valve seat, the fixed ball valve has two structures: the valve seat sealed before the ball and the valve seat sealed after the ball. The valve seat designed with many years of ball valve manufacturing experience ensures the valve sealing, low friction coefficient, small operating torque, a variety of valve seat materials and a wide range of applications. It is applicable to long-distance pipelines and general industrial pipelines. Its strength, an integrity and resistance to harsh environment are comprehensively considered in the design. It is applicable to a variety of corrosive and non corrosive media.
电动固定式球阀阀体采用的是高平台结构，ISO5211连接标准。同时密封面采用的是双向金属可动密封结构，具有自动补偿及自洁功能，密封性能好，不易磨损和耐受高温性能更好。阀芯采用的是O型结构的全通径或缩径设计，流通阻力小。并增加了预紧力弹簧，使得球阀具有自动泄压功能。
The valve body of electric fixed ball valve adopts high platform structure and ISO5211 connection standard. At the same time, the sealing surface adopts a two-way metal movable sealing structure, which has the functions of automatic compensation and self-cleaning. It has good sealing performance, not easy to wear and better resistance to high temperature. The valve core adopts the full diameter or reduced diameter design of O-shaped structure, with small flow resistance. The preload spring is added to make the ball valve have the function of automatic pressure relief.
浮动球阀的公称通经范围内体积较小、重量轻、材料耗用少、安装尺寸小，并且驱动力矩小，操作简便、易实现快速启闭，。球体借助于阀杆可以自由地在阀座密封圈中旋转。在开启时，球孔与管道孔径对准，以使管道工作介质阻力变小。当阀杆转动1／4圈时，球孔垂直于阀门的通道，加给两阀座密封圈的预紧力和介质压力将球体紧紧压在出口端的阀座密封圈上，从而使阀门密封。
The floating ball valve has the advantages of small volume, light weight, less material consumption, small installation size, small driving torque, simple operation and easy to realize rapid opening and closing,. The ball can rotate freely in the valve seat sealing ring with the help of the valve stem. When opening, the ball hole is aligned with the pipe aperture to reduce the resistance of the working medium of the pipe. When the valve rod rotates for 1 / 4 turn, the ball hole is perpendicular to the channel of the valve. The preload and medium pressure are added to the two valve seat sealing rings to tightly press the ball on the valve seat sealing ring at the outlet end, so as to seal the valve.
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