精品一品国产午夜福利视频,黑人好猛厉害爽受不了好大撑,bbw极度另类孕妇,国产福利一区二区三区在线观看 ,日韩欧美亚洲国产精品字幕久久久,国产一级福利片免费观看,国产大片黄在线观看私人影院,变态捡到女婴h养成调教,麻豆国产91视频,亚洲国产白丝一区二区在线观看 ,国产日产欧产精品精品app

       Ball valve (C110)
       system ball valve, solid version
       space-saving wafer flange version with high-quality stainless steel bushes
       modular upgrading of connection possible up to flange version in DIN face-to-face dimension
       excellent flow characteristics
       replaceable ball seat and ball
       Actuator: electric, pneumatic

       球閥C110
       口徑：DN50至DN150
       材質(zhì)：PP、PVC-U、PVDF
       密封材質(zhì)：EPDM、FPM
       球座材質(zhì)：PTFE、PE2
       可配何種氣動和電動執(zhí)行器的適配

返回