视频二区_天天天天天天天干_av片免费观看_欧美日韩一_国产欧美三区_91亚洲国产精品

current location: Home   >> News >> Company news

Introduction to ptfe butterfly valve

Tetrafluoro butterfly valve is in order to adapt to some have strong acid, strong alkali corrosive environment, petroleum, chemical, food and other special areas of the need, the use of ptfe made of valve body, has a strong anti-corrosion effect. It can replace the stainless steel valve body under normal conditions and has higher cost performance. Butterfly valve disc installed in the pipe diameter direction. In the butterfly valve body cylindrical channel, disc shaped disc around the axis of rotation, rotation Angle between 0°~90°, rotation to 90°, the valve is fully open.

Four-fluorine butterfly valve can be equipped with AKR electric, BY pneumatic actuator, input control signal (4~20mADC or 1~5VDC) and single-phase power supply can control operation, can realize intelligent (adjustable) and switch type. Has the function strong, the volume is small, deft and pleasant, the performance is reliable, the form a complete set is simple, the circulation ability is big, especially suitable for the medium is the viscous, contains the particle, the fiber nature occasion.


主站蜘蛛池模板: 精品亚洲一区二区 | 日本久久精品一区 | 国产福利一区二区 | 欧美日本韩国在线 | 日韩免费高清视频 | 精品国产乱码一区二区三区 | 欧美精品v国产精品v日韩精品 | 午夜爱爱毛片xxxx视频免费看 | 激情五月综合 | 在线国产视频 | 在线播放中文字幕 | 日日做 | 久久国产免费 | 成年人在线免费观看视频网站 | 久久一级| 日韩综合网 | 久久99精品视频 | 国产成人精品免费视频大全最热 | 91视频在线播放视频 | 欧美精品一区二区三区四区 | 久久亚洲一区二区三区四区 | 精品视频在线播放 | 欧美精品一二三 | 亚洲狠狠| 毛片无码国产 | 欧美激情视频一区二区三区在线播放 | 久久久在线 | 久久久国产一区二区三区四区小说 | 久久久久久91香蕉国产 | 嫩草精品 | 欧美激情精品久久久久久 | 欧美一区二区三区电影 | 久久精品久久久久久 | 色偷偷888欧美精品久久久 | 亚洲一区二区中文字幕 | 91av精品视频 | 精品国产一区二区三区日日嗨 | 久久久久久成人 | 国产精品v一区二区三区 | 成人精品一区二区三区 | 亚洲国产中文字幕 |