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src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087466086681143/6370874660866811439126401.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wlnp2dh" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087466086681143/6370874660866811439126401.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uerogah" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>浙江過濾器閥門行情好</p><p><span>***更新：</span>2020-06-18 02:22:32</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="3iacutk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">山東凱鋼閥門管件有限公司</a></p><p><span>聯系人：</span>王魯凱</p><p><span>郵箱: </span>694088038@qq.com</p><p><span>電話: </span>18953964119</p><p><span>傳真: </span>0539_8153453</p><p><span>網址: </span></p><p><span>手機: </span>0539-8153453</p><p><span>地址: </span>山東省臨沂市羅莊區(qū)盛莊街道化武路與王莊路交匯盛翔五金城3棟42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="icu8u23" class="page-proshow02"><p class="title">詳細說明</p><div id="8gikroa" class="box"><p><p> 五、卡套連接： </p> <p> 卡套連接，在中國近年才發(fā)展起來，浙江過濾器閥門行情好，它的連接和密封原理是，當旋緊螺母時，卡套受到壓力，使其刃部咬入管子外壁，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。 </p> <p> 這種連接形式的優(yōu)點是： </p> <p> 1、體積小，重量輕，結構簡單，拆裝容易； </p> <p> 2、連接力強，浙江過濾器閥門行情好，使用范圍廣，可耐高壓（1000公斤/平方厘米）、高溫（650℃）和沖擊振動 </p> <p> 3、可以選用多種材料，適合防腐蝕； </p> <p> 4，浙江過濾器閥門行情好、加工精度要求不高；便于高空安裝。 </p> <p> 目前，卡套連接形式，已在中國某些小口徑閥門產品中采用。 </p> <p> 六、卡箍連接： </p> <p> 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。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江過濾器閥門行情好" src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087466086681143/6370874660866811439126401.png"></div><p> 密封性能要求 </p> <p> 閥門的密封性能是指閥門各密封部位阻止介質泄漏的能力，它是閥門**重要的技術性能指標。閥門的密封部位有三處：啟閉件與閥座兩密封面間的接觸處；填料與閥桿和填料函的配合處；閥體與閥蓋的連接處。其中前一處的泄漏叫做內漏，也就是通常所說的關不嚴，它將影響閥門截斷介質的能力。對于截斷閥類來說，內漏是不允許的。后兩處的泄漏叫做外漏，即介質從閥內泄漏到閥外。外漏會造成物料損失，污染環(huán)境，嚴重時還會造成惡事件。對于易燃易爆、或有放射的介質，外漏更是不能允許的，因而閥門必須具有可靠的密封性能。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江過濾器閥門行情好" src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087466351188920/6370874663511889202692772.png"></div><p> 二、對夾連接： </p> <p> 用螺栓直接將閥門及兩頭管道穿夾在一起的連接形式。 </p> <p> 三、對焊連接： </p> <p> 直接與管道焊接的連接形式。 </p> <p> 四、螺紋連接： </p> <p> 這是一種簡便的連接方法，常用于小閥門。又分兩種情況： </p> <p> 1、直接密封：內外螺紋直接起密封作用。為了確保連接處不漏，往往用鉛油、線麻和聚四氟乙烯生料帶填充；其中聚四氟乙烯生料帶，使用日見廣；這種材料耐腐蝕性能很好，密封效果較好，使用和保存方便，拆卸時，可以完整地將其取下，因為它是一層無粘性的薄膜，比鉛油、線麻優(yōu)越得多。 </p> <p> 2、間接密封：螺紋旋緊的力量，傳遞給兩平面間的墊圈，讓墊圈起密封作用。 </p></p><br /><p>文章來源地址: 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