美国威格士VICKERS柱塞泵EATON伊顿
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卸灰球阀在管路中主要用来做切断、分配和改变介质的流动方向。卸灰球阀按结构形式可分:浮动球式、固定球式、弹性球式.卸灰球阀主要用于截断或接通管路中的介质，亦可用用于流体的调节与控制，卸灰球阀与其它阀门种类相比，具有角行程输出扭矩，开启迅速、平稳可靠，适用广泛。卸灰球阀的工作原理是靠旋转阀恋来使阀门畅通或闭塞
电动球阀构造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 电动球阀结构图，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，电动球阀是主导的阀门情势。
