1 Simple structure, light weight, small cubage, small installation size, small drive moment, convenient operation, quick and flexible switch, realiable sealing, small resistance of fluid, good flow regulating function, long life.
1 Simple structure, light weight, small cubage, small installation size, small drive moment, convenient operation, quick and flexible switch, realiable sealing, small resistance of fluid, good flow regulating function, long life.
结构简单，重量轻，体积小，安装尺寸小，驱动力矩小，操作简便、开关迅速灵活，密封可靠，流阻小，具有良好的流量调节功能，使用寿命长。