精品久久久无码人妻字幂91_永久免费无码三级片_中文字幕精品亚洲字幕日韩_国产精品成人无码a v无码免费_亚洲一级黄片视频

電動蝶閥產品概述及特點：“乾QY儀”系列本蝶閥均引進*技術，有雙向密封功能，產品符合國家GB/T13927-92閥門壓力試驗標準。閥板全采用不銹鋼。它廣泛應用于電力、環(huán)保、化工、鋼廠、石油等行業(yè)的工業(yè)過程自動控制系統(tǒng)中。其性能如下：閥座與蝶板幾乎無磨損，具有越觀越緊的密封功能。本閥具有雙向密封功能，安裝時不受介質流向的限制，也不受空間位置的影響，可在任何方向安裝。均具有優(yōu)良的密封性能,具有耐腐蝕,使用壽命長等特點。D941X-10C DN40/D941X-10C DN50/D941X-10C DN65/D941X-10C DN80/D941X-10C DN100/D941X-10C DN125/D941X-10C DN150/D941X-10C    DN200/D941X-10C DN250/D941X-10C DN300/D941X-10C DN350/D941X-10C DN400/D941X-16C DN40/D941X-16C DN50/D941X-16C DN65/D941X-16C DN80/D941X-16C DN100/D941X-16C DN125/D941X-16C DN150/D941X-16C DN200/D941X-16C DN250/D941X-16C DN300/D941X-16C DN350/D941X-16C DN400/D941X-16C DN450/D971X-10C DN40/D971X-10C DN50/D971X-10C DN65/D971X-10C DN80/D971X-10C DN100/D971X-10C DN125/D971X-10C DN150/D971X-10C DN200/D971X-10C DN250/D971X-10C DN300/D971X-10C DN350/D971X-10C DN400/D971X-16C DN40/D971X-16C DN50/D971X-16C DN65/D971X-16C DN80/D971X-16C DN100/D971X-16C DN125/D971X-16C DN150/D971X-16C DN200/D971X-16C DN250/D971X-16C DN300/D971X-16C DN350/D971X-16C DN400/D971X-16C DN450/D941H-10CP DN40/D941H-10CP DN50/D941H-10CP DN65/D941H-10CP DN80/D941H-10CP DN100/D941H-10CP DN125/D941H-10CP DN150/D941H-10CP DN200/D941H-10CP DN250/ D941H-10CP DN300/D941H-10CP DN350/D941H-10CP DN400/D941H-16CP DN40/D941H-16CP DN50/D941H-16CP DN65/D941H-16CP DN80/ D941H-16CP DN100/D941H-16CPDN125/D941H-16CP DN150/D941H-16CPDN200/D941H-16CPDN250/D941H-16CPDN300/D941H-16CP/DN350/D941H-16CP DN400/D941H-25CP DN40/D941H-25CP DN50/D941H-25CP DN65/D941H-25CP DN80/D941H-25CP DN100/D941H-25CP DN125/D941H-25CP DN150/D941H-25CP DN200/D941H-25CP DN250/ D941H-25CP DN300/D941H-25CP DN350/D941H-25CP DN400/D971H-10CP DN40/D971H-10CP DN50/D971H-10CP DN65/D971H-10CP DN80/D971H-10CP DN100/D971H-10CP DN125/D971H-10CP DN150/D971H-10CP DN200/D971H-10CP DN250/D971H-10CP DN300/D971H-10CP DN350/D971H-10CP DN400/D971H-16CP DN40/D971H-16CP DN50/D971H-16CP DN65/D971H-16CP DN80/D971H-16CP DN100/D971H-16CP DN125/D971H-16CP DN150/D971H-16CP DN200/D971H-16CP DN250/ D971H-16CP DN300/D971H-16CP DN350/D971H-16CP DN400

D971H-25CP DN40/D971H-25CP DN50/D971H-25CP DN65/D971H-25CP DN80/D971H-25CP DN100/D971H-25CP DN125/D971H-25CP DN150/D971H-25CP DN200/D971H-25CP DN250/ D971H-25CP DN300/D971H-25CP DN350/D971H-25CP DN400/D9B41X-10C DN40/D9B41X-10C DN50/D9B41X-10C DN65/D9B41X-10C DN80/D9B41X-10C DN100/D9B41X-10C DN125/D9B41X-10C DN150/D9B41X-10C    DN200/D9B41X-10C DN250/D9B41X-10C DN300/D9B41X-10C DN350/D9B41X-10C DN400/D9B41X-16C DN40/D9B41X-16C DN50/D9B41X-16C DN65/D9B41X-16C DN80/D9B41X-16C DN100/D9B41X-16C DN125/D9B41X-16C DN150/D9B41X-16C DN200/D9B41X-16C DN250/D9B41X-16C DN300/D9B41X-16C DN350/D9B41X-16C DN400/D9B41X-16C DN450/D9B71X-10C DN40/D9B71X-10C DN50/D9B71X-10C DN65/D9B71X-10C DN80/D9B71X-10C DN100/D9B71X-10C DN125/D9B71X-10C DN150/D9B71X-10C DN200/D9B71X-10C DN250/D9B71X-10C DN300/D9B71X-10C DN350/D9B71X-10C DN400/D9B71X-16C DN40/D9B71X-16C DN50/D9B71X-16C DN65/D9B71X-16C DN80/D9B71X-16C DN100/D9B71X-16C DN125/D9B71X-16C DN150/D9B71X-16C DN200/D9B71X-16C DN250/D9B71X-16C DN300/D9B71X-16C DN350/D9B71X-16C DN400/D9B71X-16C DN450