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href="http://m.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="3t2e7x3" class="twoCol"><div id="lvspwtv" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_bengtc/">泵</a>?<a href="http://m.cdcfah.com/cp/third-bengtc_bpjwp/">泵配件</a>?南通清水密封供應(yīng)商和諧共贏漣水創(chuàng)密機械供應(yīng)</p><div id="yxzw3hb" class="leftbox clearfix"><h1>南通清水密封供應(yīng)商和諧共贏漣水創(chuàng)密機械供應(yīng)</h1><div id="8azg4my" class="proBig"><div id="on2yfrd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ysmdsjg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k2tztf2" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南通清水密封供應(yīng)商,封</p><p><span>***更新：</span>2020-10-23 10:17:08</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dx7jb34" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經(jīng)理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經(jīng)濟產(chǎn)業(yè)園</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="8r3xewt" class="page-proshow02"><p class="title">詳細說明</p><div id="tds8mja" class="box"><p><p> 機械密封的平衡對接觸面的密封壓力有很大影響。這一密封壓力取決于密封本身的有效截面以及填料盒內(nèi)的壓力。 </p> <p> 非平衡型密封的旋轉(zhuǎn)面相反一側(cè)的截面完全暴露于填料盒的壓力范圍之下，這種情況會使密封面之間產(chǎn)生很高的密封壓力，從而會使工作溫度提高，加快磨損速度。在高溫工作條件下或液體具有較大腐蝕性和磨擦性的情況下，會較大程度降低機械密封的使用壽命。 </p> <p> 對機械密封加以平衡，可降低密封壓力，延長密封的使用壽命。一般采用帶有臺階的主軸和軸套，南通清水密封供應(yīng)商，降低旋轉(zhuǎn)面的有效截面，就可達到上述目的。不過千萬別將凈密封壓力調(diào)節(jié)到接近零的水平，因為這樣做的結(jié)果可能會造成密封面之間的工作狀況不穩(wěn)定，并可能會因突然的變故而將密封吹開。 </p> <p> 解決這些密封問題的答案也許是采用非平衡式密封，對于某些服務(wù)來說，也許采用非平衡式密封能達到更好的效果。例如，在某些應(yīng)用領(lǐng)域，南通清水密封供應(yīng)商，與密封的使用壽命相比，也許更強調(diào)對液體泄漏造成的安全性問題。在這種情況下，對密封的選用也許可理解為更希望選擇具有較高的密封壓力。同樣，在選用較冷液體的密封時，操作溫度的增加也許是微不足道的。 </p> <p> 不管出于何種考慮，當填料盒的壓力超過50psi時，一般推薦使用平衡式密封。根據(jù)安裝密封的有效空間，南通清水密封供應(yīng)商，確定采用多彈簧或單彈簧或波形彈簧，內(nèi)裝式或外裝式。南通清水密封供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通清水密封供應(yīng)商,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg"></div><p> 密封墊片的種類有很多，不同材料、不同形狀的墊片有不同的作用。如果選錯了墊片，不*不能很好的密封，還可能變?yōu)榘踩?，隨時有發(fā)生危險的可能。你知道密封墊片有哪些嗎，他們有什么特點？ </p> <p> 工業(yè)橡膠板 </p> <p> 天然橡膠適用于水、海水、空氣、惰性氣體、堿類、鹽類水溶液等介質(zhì)，但不耐礦物油和非極性溶劑，長期使用溫度不超過90℃，低溫性能優(yōu)異，可在-60℃以上使用。 </p> <p> 丁腈橡膠適用于石油類產(chǎn)品，如石油、潤滑油、燃料油等，長期使用溫度為120℃，如在熱油中可耐150℃，低溫為-10~-20℃。 </p> <p> 氯丁橡膠適用于海水、弱酸、弱堿、鹽溶液，耐氧和臭氧老化性能優(yōu)異，耐油性次于丁腈橡膠而優(yōu)于其他通用橡膠，長期使用溫度低于90℃，比較高使用溫度不超過130℃，低溫為-30~-50℃。 </p> <p> 氟橡膠有多個品種，它們分別具有良好的耐酸、耐氧化性能以及耐油、耐溶劑性能?？梢栽趲缀跛械乃犷惤橘|(zhì)以及一些油和溶劑中使用，長期使用溫度低于200℃。 </p> <p> 橡膠板材作為法蘭墊片，多用于管道或經(jīng)常拆卸的人孔、手孔，壓力不超過1.568MPa。因在各類墊片中，橡膠墊片**軟，貼合性能好，在較小的預(yù)緊力下就能發(fā)揮密封效果。正因如此，在承受內(nèi)壓時，因墊片偏厚或硬度偏低而容易被擠出。 </p> <p> <br /> 常州清水密封可定制企業(yè)在機泵的實際使用過程中，一定要對機泵進行合理使用，盡量避免對機泵進行超負荷運行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通清水密封供應(yīng)商,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298359511719/4792927.jpg"></div><p> 液態(tài)烴介質(zhì)是一種低溫液化氣體,具有低沸點、低黏度、高蒸氣壓等特性。在這種工況下使用的機械密封，密封件材料會出現(xiàn)冷脆性，大氣中的水氣會在密封裝置的大氣側(cè)面上凍結(jié)，摩擦副端面液膜容易氣化等。尤其是當介質(zhì)稍有泄漏，漏出的液態(tài)烴在大氣側(cè)立即氣化，帶走大量的熱，機械密封環(huán)境溫度急劇下降，一般的密封材料，如橡膠或聚四氟乙烯普遍變脆，導(dǎo)致密封失效，泄漏增大。 </p> <p> <br /> </p> <p> 根據(jù)實際經(jīng)驗,使用金屬波紋管機械密封比較好,主要表現(xiàn)在用金屬波紋管和柔性石墨代替輔助密封圈,解決了密封圈材料發(fā)生冷脆而失彈及緩沖作用的問題,如用DBM型、YH604/606/609型等。在液態(tài)烴泵上使用波紋管機械密封時應(yīng)注意: </p> <p> 金屬波紋管材料選用耐低溫、韌性好的Hastelloy-C(耐熱鎳基金),AM350,Carpenter20 等; </p> <p> 合理的結(jié)構(gòu)設(shè)計能保證機械密封在高速運轉(zhuǎn)的情況下不破壞密封端面和波紋管組件; </p> <p> 合理的端面接觸比壓能保證機械密封的密封性能和避免過早的失效; </p> <p> 合理的摩擦副材料能保證機械密封在低溫條件下正常的摩擦性能和密封性能, 避免因磨損過快而過早的失效; </p><p> 機械密封裝配前的檢查有哪些內(nèi)容？答：一般性檢查：主要檢查個零件的型號、規(guī)格、性能、配合尺寸及有無缺口、點坑、變形和裂紋等損傷。動、靜環(huán)的檢查：密封端面要光潔明亮、物崩邊、點坑、溝槽、劃痕等缺點。對石墨環(huán)，還要浸沒有檢查是否有裂紋。 </p> <p> .機械密封彈簧的檢查都包括哪些內(nèi)容？答：彈簧的檢查包括：總?cè)?shù)、有效圈數(shù)、自由高度、軸心對端面是否垂直、彈簧旋向。但彈簧必須檢查旋向，多彈簧不需要檢查旋向。新彈簧要檢查其原始自由高度，自由高度要測量，并與原始記錄比較，殘余變形過大的要更換掉。舊彈簧清洗干凈后，要測量其彈力，彈力減少20%的要更換掉。多彈簧機械密封，各彈簧自由高度差不得小于0.5mm。針對密封實際應(yīng)用中出現(xiàn)的問題，應(yīng)引起重視，分析問題發(fā)生的原因，然后及時采取針對性的措施，保證效果。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通清水密封供應(yīng)商,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg"></div><p> 強酸強堿介質(zhì)具有較強的腐蝕性，且易結(jié)晶，為了防止介質(zhì)對密封彈性元件的腐蝕，應(yīng)使彈性元件與介質(zhì)隔離，采用外裝結(jié)構(gòu)，第3 種布置方式(背靠背或面對面)。O 形圈材料選用耐腐蝕的氟橡膠或全氟橡膠。動靜環(huán)選用硬對硬(碳化鎢或碳化硅)配置。 </p> <p> 強酸強堿泵現(xiàn)場大多采用單端面密封，因而密封背面大多出現(xiàn)結(jié)晶結(jié)垢，對設(shè)備造成腐蝕等現(xiàn)象。為了避免該現(xiàn)象發(fā)生，使現(xiàn)場更加清潔，可直接選用PLAN54(見圖4)。煉油裝置中大多數(shù)酸泵或堿泵的入口壓力較低，基本為常壓，因此PLAN54 的沖洗源可直接用循環(huán)水。該方案雖然選用了雙端面密封，但從經(jīng)濟角度考慮*增加了一對摩擦副，沒有另外增加輔助系統(tǒng)，既節(jié)約了投資成本又滿足了現(xiàn)場要求。熱裂是高溫油泵，如油渣泵、回?zé)捰捅?、常減壓塔底泵等**常見的失效現(xiàn)象。鹽城多級泵密封規(guī)格型號</p><p style="text-indent:25px">機械密封的密封面要有一定的比壓，從而達到密封的目的，兩端面的緊密緊密程度可以通過彈簧調(diào)節(jié)。南通清水密封供應(yīng)商</p><p> 螺紋密封 </p> <p> 螺紋密封在泵上一般有兩種形式，一種是螺紋聯(lián)接墊片密封，一種是螺紋加填充濟密封，二者皆用于小直徑螺紋連接的密封場合。螺紋聯(lián)接墊片密封的密封件是墊片，而螺紋只起提供壓緊力的作用。密封的效果除了墊片的本身性能外。密封面的粗糙度以及與螺紋孔的相對幾何位置精度對密封效果影響也很大。于由密封墊片在擰緊螺紋時不*承受壓緊力，還承受扭矩，使墊片產(chǎn)生變形甚至損壞，因此，當墊片為非金屬時，一般只適用于壓力不高的場合，如果墊片為金屬則適用壓力可達30Mpa以上。 </p> <p> 泵上經(jīng)常使用的絲堵，則是另一種螺紋密封形式。由于考慮到絲堵制造的經(jīng)濟性，一般單靠螺紋的配合不能起到密封作用，往往用生膠帶，密封膠等填充物填充螺紋的密封間隙。其承壓能力取決于螺紋的制造精度和材質(zhì)，與絲堵和螺紋孔的配合形式?jīng)]有關(guān)系。螺紋孔與絲堵無論采用"錐對錐"還是"柱對錐"，密封效果相同，只是使用地域不同而已。我國目前兩種形式同等采用。影響密封效果的常見原因是在加工螺紋底孔時尺寸偏大，使螺紋牙形變短，牙頂變寬，造成密封面減小，當密封壓力升高后產(chǎn)生泄漏，甚至將絲堵壓出。南通清水密封供應(yīng)商</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司致力于機械及行業(yè)設(shè)備，是一家貿(mào)易型的公司。創(chuàng)密機械制造致力于為客戶提供良好的輕型密封，中型密封，重型密封，小型水泵，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營理念，在機械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設(shè)備良好品牌。創(chuàng)密機械制造秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1675729.html</p></div></div></div></div></div><div id="kzw9e29" class="page-right twoColRt"><div id="e328cbx" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gvsmj3o" class="recomPic likePro"><a href="http://m.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(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="2ynhypb" class="recomPic likePro"><a 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