玉环阀门系列法兰节能柱塞阀

玉环阀门系列法兰节能柱塞阀 产品报价：

<b style="mso-bidi-font-weight: normal"><span lang=en-us style="font-size: 14pt; font-family: verdana; mso-fareast-font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa"> </span><span lang=en-us style="font-size: 14pt; font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-hansi-font-family: verdana"> </span><span lang=en-us style="font-size: 14pt; font-family: verdana; mso-fareast-font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa"> </span><span lang=en-us style="font-size: 14pt; font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-hansi-font-family: verdana"> </span><span style="font-size: 14pt; font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-hansi-font-family: verdana">柱塞阀是我厂引进德国格林格斯阀，结合国内实际研制开发，它的设计与制造是为了解决普通截止阀存在的缺陷，普通截止阀上密封采用坯根填料，无法排除外泄现象，下密封由阀瓣与阀体通道平面或角度密封（金属密封），密封面因金属间的磨损而导致泄漏，且维修困难；柱塞阀的关闭由一个不锈钢柱塞、上下两只富弹性密封圈及一个金属隔框组成，密封效果由柱塞与密封圈紧密配合来达到，柱塞插在两只密封圈中，密封面积远大于普通截止阀；开关柱塞阀时，柱塞在密封圈中缓慢移动，接触面几乎不磨损，关闭时，柱塞插入下密封圈，截断流道；开启时，柱塞虽然脱离下密封圈，但仍藏在上密封圈内，保持与外界隔离，不致发生泄漏。</span><span lang=en-us style="font-size: 14pt; font-family: verdana; mso-fareast-font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa"> </span><span lang=en-us style="font-size: 14pt; font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-hansi-font-family: verdana"> </span><span lang=en-us style="font-size: 14pt; font-family: verdana; mso-fareast-font-family: 楷体_gb2312; mso-bidi-font-family: 宋体; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa"> </span></b>