<video id="nlvfh"></video>
<dl id="nlvfh"><delect id="nlvfh"><font id="nlvfh"></font></delect></dl><dl id="nlvfh"></dl>
<video id="nlvfh"></video>
<video id="nlvfh"><output id="nlvfh"><meter id="nlvfh"></meter></output></video>
<dl id="nlvfh"><output id="nlvfh"><font id="nlvfh"></font></output></dl>
<output id="nlvfh"></output>
<output id="nlvfh"></output>
<dl id="nlvfh"></dl>
<video id="nlvfh"><output id="nlvfh"><font id="nlvfh"></font></output></video>
<noframes id="nlvfh"><output id="nlvfh"></output>
<dl id="nlvfh"><delect id="nlvfh"><meter id="nlvfh"></meter></delect></dl><dl id="nlvfh"><font id="nlvfh"><address id="nlvfh"></address></font></dl>
<dl id="nlvfh"></dl>
<dl id="nlvfh"></dl><output id="nlvfh"></output><dl id="nlvfh"><delect id="nlvfh"><meter id="nlvfh"></meter></delect></dl>
<dl id="nlvfh"></dl><dl id="nlvfh"></dl>
<output id="nlvfh"></output>
<video id="nlvfh"><output id="nlvfh"><font id="nlvfh"></font></output></video>
<dl id="nlvfh"><output id="nlvfh"></output></dl>
<dl id="nlvfh"><delect id="nlvfh"><meter id="nlvfh"></meter></delect></dl><dl id="nlvfh"></dl><video id="nlvfh"></video>
<dl id="nlvfh"><output id="nlvfh"><delect id="nlvfh"></delect></output></dl>
<dl id="nlvfh"><delect id="nlvfh"><meter id="nlvfh"></meter></delect></dl><dl id="nlvfh"></dl><dl id="nlvfh"><delect id="nlvfh"></delect></dl>
<dl id="nlvfh"><output id="nlvfh"></output></dl>
<dl id="nlvfh"></dl>
<dl id="nlvfh"></dl>
當前位置:首頁 > 新聞資訊
新封封頭-平板封頭的應用
發布時間:2022-03-29  瀏覽量:3171次

平板封頭是石油化工、原子能到食物制藥諸多行業壓力容器設備中不可缺少的重要部件, 平封頭是壓力容器上的端蓋,是壓力容器的一個主要承壓部件,所起的作用是密封作用,一是做成了罐形壓力容器的上下底,二是管道到頭了,不預備再向前延伸了,那就用一個封頭在把管子用焊接的形式密封住,和封頭的作用差未幾的的產品有盲板和管帽,不外那兩種產品是可以拆卸的,而封頭焊好了之后是不可以再拆卸的,與之配套的管件有壓力容器、管道、法蘭盤、彎頭等產品,平板封頭的品質直接關系到壓力容器的長期安全可靠運行。

一级a看免费观看网站_高潮久久国产精品_国产免费观看精品_国产中文字幕在线观看