内容标题28

  • <tr id='khuh6q'><strong id='khuh6q'></strong><small id='khuh6q'></small><button id='khuh6q'></button><li id='khuh6q'><noscript id='khuh6q'><big id='khuh6q'></big><dt id='khuh6q'></dt></noscript></li></tr><ol id='khuh6q'><option id='khuh6q'><table id='khuh6q'><blockquote id='khuh6q'><tbody id='khuh6q'></tbody></blockquote></table></option></ol><u id='khuh6q'></u><kbd id='khuh6q'><kbd id='khuh6q'></kbd></kbd>

    <code id='khuh6q'><strong id='khuh6q'></strong></code>

    <fieldset id='khuh6q'></fieldset>
          <span id='khuh6q'></span>

              <ins id='khuh6q'></ins>
              <acronym id='khuh6q'><em id='khuh6q'></em><td id='khuh6q'><div id='khuh6q'></div></td></acronym><address id='khuh6q'><big id='khuh6q'><big id='khuh6q'></big><legend id='khuh6q'></legend></big></address>

              <i id='khuh6q'><div id='khuh6q'><ins id='khuh6q'></ins></div></i>
              <i id='khuh6q'></i>
            1. <dl id='khuh6q'></dl>
              1. <blockquote id='khuh6q'><q id='khuh6q'><noscript id='khuh6q'></noscript><dt id='khuh6q'></dt></q></blockquote><noframes id='khuh6q'><i id='khuh6q'></i>

                产品中心

                产品分类

                您的位置:首页 - 产品 - 蝶阀系列

                对夹式突耳式蝶阀

                对夹式突耳式蝶阀

                设计标准API 6O9、MSS.SP-68

                结构长度ASME B16.10、API6O9MSS.SP-68

                配管法兰ASME B16.5、ASME B16.47

                检验楊老与试验API598

                概述:

                阀板旋转轴与阀座之间采用双偏心设计,当阀板旋转时,在凸轮的作用下它以一个很小的■角度离开阀座,这一突出的特点可以实现长时间的气密关闭。大大减少阀座磨损,减少传统阀门经常遇到的扭矩〗峰问题。