<samp id="yyimk"><tbody id="yyimk"></tbody></samp><noscript id="yyimk"></noscript><ul id="yyimk"><pre id="yyimk"></pre></ul>

<ul id="yyimk"></ul>
  • current location: Home   >> News >> Company news

    Signal butterfly valve features

    The valve USES worm wheel, worm drive, then the CAM rotation according to the predetermined position on the signal device contact pressure or release, the corresponding output "on" "off" electrical signals, show the butterfly valve open and close state.

    Two, signal groove butterfly valve characteristics

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

    2, simple structure, compact, 90° rotation opening and closing quickly.

    3. Small operating torque, light and labor-saving.

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

    5, opening and closing tests up to tens of thousands of times, long life.

    6, to achieve complete sealing, gas test leakage is zero.


    精品人妻系列无码人妻免费视频 | 精品国产精品国产偷麻豆 | 国产精品免费大片| 国产精品亚洲精品日韩已方| 日韩国产成人精品视频| 国产精品成人无码久久久| 亚洲精品国产摄像头| 久久精品久久久久观看99水蜜桃| 亚洲国产精品热久久| 久久精品99香蕉国产| 久久99精品国产一区二区三区| 久久99精品久久久久久齐齐| freesexvideos精品老师毛多| 热综合一本伊人久久精品| 伊人天堂av无码av日韩av| 久久精品无码一区二区三区日韩| 国产三级国产精品| 日韩AV在线不卡一区二区三区| 国产精品亚洲综合天堂夜夜| 国产精品无码制服丝袜 | 国产一区二区精品| 国产成人精品日本亚洲专区61 | 91精品91久久久久久| 999国产高清在线精品| 99国产精品热久久久久久夜夜嗨| 日韩国产成人精品视频| 99精品在线视频| 91精品国产免费久久国语麻豆| 精品亚洲成a人片在线观看| 久久久久久九九99精品 | 日韩AV东京社区男人的天堂| 日韩一区二区三区在线精品| 日韩中文字幕在线不卡| 日韩精品国产另类专区| 日韩精品久久一区二区三区 | 久久精品午夜一区二区福利| 久久成人国产精品| 亚洲国产精品xo在线观看| 日韩免费精品视频| 欧美交A欧美精品喷水| 无码aⅴ精品一区二区三区 |