current location: Home   >> News >> Company news

                  Advantages of threaded butterfly valve

                  1. The butterfly valve has simple structure, small volume, light weight, small installation size and convenient installation.

                  2. The direction of flow in and out of the valve can be arbitrarily selected, with two-way function.

                  3. Horizontal pipe and vertical pipe can be installed.

                  4. Easy to operate, quick switching and accurate positioning. The handle only needs to be turned by 90° to realize the switch. The butterfly valve is fully open, 45° open and fully closed with the handle positioning.

                  5. Good sealing performance, using super austenitic stainless steel

                  6. Long life. Seats are made of epdm rubber for good resilience and long service life.

                  7. The butterfly valve can be used to regulate flow. The handle can be positioned at the Angle of 45°, so the disc can be half open to adjust the flow.



                  中文字幕人妻无码一夲道 | 亚洲动漫精品无码av天堂| 亚洲Av无码国产情品久久| 在线a亚洲v天堂网2019无码| 亚洲人成无码www久久久| 日日麻批免费40分钟无码| 无码人妻丰满熟妇区BBBBXXXX | 亚洲中久无码不卡永久在线观看| 一本大道东京热无码一区| 亚洲欧美日韩在线中文字幕| 免费一区二区无码视频在线播放 | 人妻无码视频一区二区三区| 熟妇女人妻丰满少妇中文字幕| 中文无码一区二区不卡αv| 国产久热精品无码激情| 亚洲国产精品无码久久久蜜芽| 在线日韩中文字幕| 一本一道精品欧美中文字幕| 天堂无码在线观看| 日韩乱码人妻无码中文字幕视频| 69久久精品无码一区二区| 无码人妻精品一区二区三| 亚洲AV无码乱码在线观看富二代 | 久久久久亚洲av无码专区喷水 | 亚洲av无码国产精品夜色午夜| 中文字幕精品久久| 久久精品99无色码中文字幕| а天堂中文最新版在线| 大地资源中文在线观看免费版 | 精品人妻中文av一区二区三区| 亚洲成?v人片天堂网无码| 人妻一区二区三区无码精品一区 | 日韩亚洲变态另类中文| 天堂在线资源中文在线8| 国产乱码精品一区二区三区中文| 中文字幕一区二区人妻| 亚洲VA中文字幕无码一二三区| 久久久久久久久久久久中文字幕 | 亚洲精品中文字幕乱码三区| 最好看的2018中文在线观看 | A狠狠久久蜜臀婷色中文网|