<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

    Welding ball valve structure and characteristics

    1. The valve adopts carbon steel seamless steel pipe pressed into shape as an integral welded ball valve.

    2. The stem is made of AISI303 stainless steel, and the valve body is made of AISI304 stainless steel, which has been finished and ground, and has excellent sealing performance and corrosion resistance.

    3. Carbon reinforced PTFE inclined surface elastic sealing ring is used to seal the surface of the sphere under negative pressure, so that the sealing can reach zero leakage, long service life and other advantages.

    4. Connection method of the valve: welding, thread and flange are available for users to choose. Transmission mode: handle, turbine, pneumatic, electric and other transmission structure, flexible and portable switch.

    5. The valve is compact in structure, light in weight, easy to keep warm and easy to install. This valve is normally installed horizontally.

    6. Integrated welding ball valve from foreign advanced technology, combined with the actual situation in China developed, to replace the import of domestic.

    Widely used in natural gas, oil, heating, chemical and thermoelectric pipe network and other long - distance pipeline field.


    国内精品-bt天堂| 91精品久久久久久久久中文字幕 | 亚洲精品永久在线观看| 777国产偷窥盗摄精品品在线| 久久精品国产福利国产秒| 久久久久无码国产精品不卡 | 久久精品国产亚洲av麻豆小说| 亚洲国产精品嫩草影院在线观看| 在线成人精品国产区免费| 久久人人超碰精品CAOPOREN| 亚洲AV日韩精品一区二区三区| 国产日韩在线观看视频网站 | 精品一区二区三区在线成人| 亚洲国产精品无码专区影院| 亚洲精品无码成人AAA片| 国产中文在线亚洲精品官网| 国产精品99re| 久久五月精品中文字幕 | 久久精品国产精品| 精品国产一区二区三区免费| 国内精品卡1卡2卡区别 | 国产精品久久久久久福利漫画| 亚洲精品福利网泷泽萝拉| 91在线手机精品免费观看| 999任你躁在线精品免费不卡| 一区二区精品在线| 99精品在线视频| 精品无码人妻夜人多侵犯18| 97视频精品全国在线观看 | 国产日韩在线视频免费播放| 波多野结衣精品一区二区三区| 国产麻传媒精品国产AV| 国产精品自线在线播放| 国产精品最新资源网| 国产成人精品123区免费视频| 日韩社区一区二区三区| 美女内射无套日韩免费播放| 日韩精品中文乱码在线观看| 拍国产乱人伦偷精品视频| 亚洲精品无码专区2| 国产精品毛片a∨一区二区三区|