欧姆龙CPU模块CJ2M-CPU13

施耐德双电源WATSGA-100/4P            WATSGB-100/4P                                  WATSNB-63A/4P施耐德双电源WATSGA-125/4P            WATSGB-125/4P                                  WATSNB-80A/4P施耐德双电源WATSGA-160/4P            WATSGB-160/4P                                  WATSNB-100A/4P施耐德双电源WATSGA-200/4P            WATSGB-200/4P                                  WATSNB-160A/4P施耐德双电源WATSGA-250/4P            WATSGB-250/4P                                  WATSNB-250A/4P施耐德双电源WATSGA-320/4P            WATSGB-320/4P                                  WATSNB-400A/4P施耐德双电源WATSGA-400/4P            WATSGB-400/4P                                  WATSNB-630A/4P施耐德双电源WATSGA-500/4P            WATSGB-500/4P                                  WATSNB-800A/4P施耐德双电源WATSGA-630/4P            WATSGB-630/4P                                  WATSNB-1000A/4P


不锈钢保温闸阀工作原理：转动手轮，通过手轮与阀杆的螺纹的进、退，提升或下降与阀杆连接的阀板，达到开启和关闭的作用闸阀具有以下优点：流体阻力小,密封面受介质的忡刷和侵蚀小。开闭较省力。介质流向不受限制,不扰流、不降低压力。形体简单,结构长度短，制造工艺性好，适用范围广。闸阀的缺点如下：密封面之间易引起冲蚀和擦伤，维修比较困难。外形尺寸较大，开启需要一定的空间，开闭时间长。结构较复杂。闸阔的种类,按密封面配置可分为楔式闸板式闸阀和平行闸板式闸阀,楔式闸板式闸阀又可分为:单闸极式、双闸板式和弹性闸板式；平行闸板式闸阀可分为单闸板式和双闸板式。