YYD-Z-20,YYD-Y-25,YYD-Z-25,YYD-Y-40S,直角式脉冲阀
YYD-Z-40S,YYD-Y-50S,YYD-Z-50S,YYD-Y-62S,
YYD-Z-62S,YYD-Y-76S,YYD-Z-76S,YYD-Y-90S,
YYD-Y-102S,YYD-ZM-20,YYD-Y-102SX,
YYD-ZM-25,YYD-ZM-40S,YYX-II-80S,