JEL-Z-20A，JEL-Z-20，JEL-Z-40S，JEL-Z-20P，JEL-Z-50S，JEL-Z-25DD，JEL-Z-40DD，JEL-Z-62S，JEL-Z-25P，JEL-Z-76S，JEL-Z-35P， 长管式脉冲阀

JEL-Z-20A，JEL-Z-20，JEL-Z-40S，JEL-Z-20P，JEL-Z-50S，长管式脉冲阀

JEL-Z-62S，JEL-Z-25P，JEL-Z-76S，JEL-Z-35P，

JEL-Z-25DD，JEL-Z-40DD，

JEL-Z-20A，JEL-Z-20，JEL-Z-40S，JEL-Z-20P，JEL-Z-50S，长管式脉冲阀 JEL-Z-62S，JEL-Z-25P，JEL-Z-76S，JEL-Z-35P， JEL-Z-25DD，JEL-Z-40DD，