current location: Home   >> News >> Company news

                  Flange butterfly valve features

                  Flange butterfly valve main following 8 characteristics:

                  1, small and light, easy to disassemble and repair, and can be installed in any position.

                  2, simple structure, compact, small operating torque, 90° rotation open quickly.

                  3, flow characteristics tend to straight line, good regulation performance.

                  4. The connection between disc and stem adopts no-pin structure, which overcomes the possible internal leakage point.

                  5. The outer circle of the butterfly plate adopts the spherical shape, which improves the sealing performance and prolongs the service life of the valve. The valve still maintains zero leakage after being opened and closed for more than 50,000 times with pressure.

                  6, the seal can be replaced, and the seal is reliable to achieve two-way sealing.

                  7. The butterfly plate can be sprayed with coating, such as nylon or ptfe.

                  8, the valve can be designed for flange connection and clamp connection.



                  国产拍拍拍无码视频免费| 区三区激情福利综合中文字幕在线一区亚洲视频1 | 久久久久久人妻无码| 日韩AV无码中文无码不卡电影| 亚洲AV无码国产精品色午友在线| 波多野结衣在线aⅴ中文字幕不卡| 人妻丰满熟妞av无码区| 无码人妻丝袜在线视频| 久久人妻无码中文字幕| 国产V亚洲V天堂无码久久久| 日韩免费无码一区二区三区| 最好看2019高清中文字幕| 亚洲AV中文无码乱人伦在线观看| 一本一道AV无码中文字幕| 久久AV高清无码| 亚洲av中文无码乱人伦在线r▽| 国产乱码精品一区二区三区中文| 日韩经典精品无码一区| 日日麻批免费40分钟无码| 国产成人综合日韩精品无码不卡| 久久人妻无码中文字幕| 免费A级毛片无码无遮挡| 久久久久亚洲av无码专区| 亚洲色偷拍另类无码专区| 高清无码v视频日本www| 中文字幕一区二区三区在线不卡| 日韩精品无码一区二区中文字幕 | 日韩精品久久无码人妻中文字幕| 无码乱码观看精品久久| 国产仑乱无码内谢| 东京热加勒比无码视频| 久久午夜无码鲁丝片| 日木av无码专区亚洲av毛片| 无码一区二区三区老色鬼| 亚洲AV无码日韩AV无码导航 | 无码国产精品一区二区免费16 | 中文字幕一区二区人妻| 亚洲中文字幕日本无线码| 久久久久亚洲精品无码网址| 精品人妻系列无码人妻免费视频 | 综合国产在线观看无码|