YDG-Y-50S，YDD-Y-25，YDG-Y-62S，YDD-Y-40S， 淹没式脉冲阀，

YDG-Y-50S，YDD-Y-25，YDG-Y-62S，YDD-Y-40S， 淹没式脉冲阀，

YDG-Y-76S，YDD-Y-50S，YDG-Y-89S，YDD-Y-62S，

YDA-Y-76S，YDD-Y-76S，YDD-Y-76B，

YDG-Y-50S，YDD-Y-25，YDG-Y-62S，YDD-Y-40S， 淹没式脉冲阀， YDG-Y-76S，YDD-Y-50S，YDG-Y-89S，YDD-Y-62S， YDA-Y-76S，YDD-Y-76S，YDD-Y-76B，