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href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_jnsbrt/">節(jié)能設備</a>?<a href="http://www.cdcfah.com/cp/third-jnsbrt_qtjnsbyx/">其他節(jié)能設備</a>?石河子銅桿閘閥哪家好新疆遠大通用閥門供應</p><div id="xndjnv5" class="leftbox clearfix"><h1>石河子銅桿閘閥哪家好新疆遠大通用閥門供應</h1><div id="vp7nbzx" class="proBig"><div id="5ndj5x3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801464844/3391347.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fllbp3r" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801464844/3391347.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x5lhpvh" class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>石河子銅桿閘閥哪家好</p><p><span>***更新：</span>2020-06-23 17:24:53</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="dtzhxlj" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆遠大通用閥門有限公司</a></p><p><span>聯系人：</span>李嘉豪</p><p><span>郵箱: </span>1183099099@qq.com</p><p><span>電話: </span>18999955968</p><p><span>傳真: </span>0991_6877477</p><p><span>網址: </span>http://www.xjyuanda.com</p><p><span>手機: </span>0991-6877477</p><p><span>地址: </span>烏魯木齊市高新技術產業(yè)開發(fā)區(qū)（新市區(qū)）清水街213號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="xntzpnn" class="page-proshow02"><p class="title">詳細說明</p><div id="3fnvltr" class="box"><p><p> 閥門是管路流體輸送系統中控制部件，用來改變通路斷面和介質流動方向，具有導流、截止、節(jié)流、止回、分流或溢流卸壓等功能。用于流體控制的閥門，從**簡單的截止閥到極為復雜的自控系統中所用的各種閥門，其品種和規(guī)格繁多，閥門的公稱通徑從極微小的儀表閥大至通徑達10m的工業(yè)管路用閥?？捎糜诳刂扑?、蒸汽、油品、氣體、泥漿、各種腐蝕性介質、液態(tài)金屬和放射性流體等各種類型流體地流動，閥門的工作壓力可以從的超高壓，工作溫度可以c-270℃的**溫到1430℃的高溫。閥門的控制可采用多種傳動方式，如手動、電動、液動、氣動、渦輪、電磁動、電磁液動、電液動、氣液動、正齒輪、傘齒輪驅動等；可以在壓力、溫度或其它形式傳感信號的作用下，按預定的要求動作，或者不依賴傳感信號而進行簡單的開啟或關閉，石河子銅桿閘閥哪家好，閥門依靠驅動或自動機構使啟閉件作升降，石河子銅桿閘閥哪家好、滑移，石河子銅桿閘閥哪家好、旋擺或回轉運動，從而改變其流道面積的大小以實現其控制功能。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石河子銅桿閘閥哪家好" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801464844/3391347.jpg"></div><p> 3）中壓閥：指公稱壓力PN為、、。（4）高壓閥：指公稱壓力PN為～。（5）超高壓閥：指公稱壓力PN≥。按工作溫度：（1）**溫閥：用于介質工作溫度t<－101℃的閥門。（2）常溫閥：用于介質工作溫度－29℃425℃的閥門。按驅動方式：按驅動方式可分為自動閥類、動力驅動閥類和手動閥類。按公稱通徑（1）小通徑閥門：公稱通徑DN≤40mm的閥門。（2）中通徑閥門：公稱通徑DN為50～300mm的閥門。（3）大通徑閥門：公稱通徑DN為350～1200mm的閥門。（4）特大通徑閥門：公稱通徑DN≥1400mm的閥門按結構特征閥門結構特征閥門的結構特征是根據關閉件相對于閥座移動的方向可分為：（1）截門形：關閉件沿著閥座中心移動；如截止閥（2）旋塞和球形：關閉件是柱塞或球，圍繞本身的中心線旋轉；如旋塞閥、球閥（3）閘門形：關閉件沿著垂直閥座中心移動；如閘閥、閘門等（4）旋啟形：關閉件圍繞閥座外的軸旋轉；如旋啟式止回閥等（5）蝶形：關閉件的圓盤，圍繞閥座內的軸旋轉；如蝶閥、蝶形止回閥等（6）滑閥形：關閉件在垂直于通道的方向滑動。如滑按連接方法（1）螺紋連接閥：閥體帶有內螺紋或外螺紋，與管道螺紋連..（2）法蘭連接閥門：閥體帶有法蘭，與管道法蘭連接。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石河子銅桿閘閥哪家好" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/3440819.jpg"></div><p> 卡套外錐面又在壓力下與接頭體內錐面密合，因而能夠可靠地防止泄漏。這種連接形式的優(yōu)點是：1、體積小，重量輕，結構簡單，拆裝容易；2、連接力強，使用范圍廣，可耐高壓（1000公斤/平方厘米）、高溫（650℃）和沖擊振動3、可以選用多種材料，適合防腐蝕；4、加工精度要求不高；便于高空安裝?？ㄌ走B接形式，已在中國某些小口徑閥門產品中采用。閥門卡箍連接這是一種快速連接方法，它只需兩個螺栓，適用于經常拆卸的低壓閥門。閥門內自緊連接以上各種連接形式，都是利用外力來抵消介質壓力，實現密封的。下面介紹利用介質壓力進行自緊的連接形式。它的密封圈裝在內錐體處，跟介質相向的一面成一定角度，介質壓力傳給內錐體，又傳遞給密封圈，在一定角度的錐面上，產生兩個分力，一個與閥體中心線平行向外，另一個壓向閥體內壁。后面這個分力便是自緊力。介質壓力愈大，自緊力也愈大。所以這種連接形式，適合于高壓閥門。它比法蘭連接，要節(jié)省許多材料和人力，但也需要一定的預緊力，以便在閥內壓力不高時，使用可靠。利用自緊密封原理做成的閥門，一般是高壓閥門。閥門連接的形式還很多，例如有的不必拆除的小閥門，跟管子焊接在一起；有的非金屬閥門，采用承插式連接，等等。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/365054.html</p></div></div></div></div></div><div id="jrh33xd" class="page-right twoColRt"><div id="fljrhfn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="5zpxvlz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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