motor-driven valve 电动机拖动阀

motor driven valve 电动阀

solenoid driven valve 电磁驱动的阀 ; 电磁驱动阀

electrically-driven valve 电动阀

Air driven valve 驱动气源开关

motor driven valve positioner 电动阀门定位器

motor-driven control valve 电动机拖动控制阀 ; 电动调节阀

motor-driven relief valve 电动释放阀

motor driven control valve 电动机拖动控制阀

hydraulic driven safety valve 液压驱动安全阀