WB2機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 泵用機(jī)械密封種類繁多，型號(hào)各異，WB2機(jī)械密封，但泄漏點(diǎn)主要有五處：1）軸套與軸間的密封；2）動(dòng)環(huán)與軸套間的密封；3）動(dòng)、靜環(huán)間密封；4）對(duì)靜環(huán)與靜環(huán)座間的密封；5）密封端蓋與泵體間的密封。1"><meta name="keywords" content="WB2機(jī)械密封,機(jī)械密封"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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clearfix"><h1>WB2機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="jskr7n8" class="proBig"><div id="mgdfev3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361363056641/3465430.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="azbyac8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361363056641/3465430.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7cjbdum" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>WB2機(jī)械密封,機(jī)械密封</p><p><span>***更新：</span>2020-12-25 12:20:42</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yn3gnuw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機(jī)械密封（張家港）有限公司</a></p><p><span>聯(lián)系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機(jī): </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</p><p>[當(dāng)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="fpm8f32" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xqcrols" class="box"><p><p> 泵用機(jī)械密封種類繁多，型號(hào)各異，WB2機(jī)械密封，但泄漏點(diǎn)主要有五處：1）軸套與軸間的密封；2）動(dòng)環(huán)與軸套間的密封；3）動(dòng)、靜環(huán)間密封；4）對(duì)靜環(huán)與靜環(huán)座間的密封；5）密封端蓋與泵體間的密封。1.安裝靜試時(shí)泄漏機(jī)械密封安裝調(diào)試好后，一般要進(jìn)行靜試，觀察泄漏量。如泄漏量較小，多為動(dòng)環(huán)或靜環(huán)密封圈存在問(wèn)題；泄漏量較大時(shí)，則表明動(dòng)、靜環(huán)摩擦副間存在問(wèn)題。在初步觀察泄漏量、判斷泄漏部位的基礎(chǔ)上，再手動(dòng)盤車觀察，若泄漏量無(wú)明顯變化則靜、動(dòng)環(huán)密封圈有問(wèn)題；如盤車時(shí)泄漏量有明顯變化則可斷定是動(dòng)、靜環(huán)摩擦副存在問(wèn)題；如泄漏介質(zhì)沿軸向噴射，則動(dòng)環(huán)密封圈存在問(wèn)題居多，泄漏介質(zhì)向四周噴射或從水冷卻孔中漏出，則多為靜環(huán)密封圈失效。此外，泄漏通道也可同時(shí)存在，但一般有主次區(qū)別，只要觀察細(xì)致，WB2機(jī)械密封，熟悉結(jié)構(gòu)，一定能正確判斷。2，WB2機(jī)械密封.試運(yùn)轉(zhuǎn)時(shí)出現(xiàn)的泄漏泵用機(jī)械密封經(jīng)過(guò)靜試后，運(yùn)轉(zhuǎn)時(shí)高速旋轉(zhuǎn)產(chǎn)生的離心力，會(huì)壓制介質(zhì)的泄漏。因此，試運(yùn)轉(zhuǎn)時(shí)機(jī)械密封泄漏在排除軸間及端蓋密封失效后，基本上都是由于動(dòng)、靜環(huán)摩擦副受破壞所致。引起摩擦副密封失效的因素主要有：（l）操作中，因抽空、氣蝕、憋壓等異?，F(xiàn)象，引起較大的軸向力，使動(dòng)、靜環(huán)接觸面分離；。蚌埠橡膠波紋管機(jī)械密封件。WB2機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="WB2機(jī)械密封,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361363056641/3465430.png"></div><p> 1）大多數(shù)潛污泵機(jī)械密封拆解后，靜環(huán)和動(dòng)環(huán)的輔助密封件無(wú)彈性，有的已經(jīng)腐爛，造成了機(jī)封的大量滲漏甚至有磨軸的現(xiàn)象。由于高溫、污水中的弱酸、弱堿對(duì)靜環(huán)和動(dòng)環(huán)輔助橡膠密封件的腐蝕作用，造成了機(jī)械滲漏過(guò)大，動(dòng)、靜環(huán)橡膠密封圈材料為丁腈—40，不耐高溫，不耐酸堿，當(dāng)污水為酸性堿性時(shí)易腐蝕。對(duì)策：對(duì)腐蝕性介質(zhì)，橡膠件應(yīng)選用耐高溫、耐弱酸、弱堿的氟橡膠。（2）固體顆粒雜質(zhì)引起的機(jī)械密封滲漏如果固體顆粒進(jìn)入密封端面，將會(huì)劃傷或加快密封端面的磨損，水垢和油污在軸（套）表面的堆積速度超過(guò)摩擦副的磨損速度，致使動(dòng)環(huán)不能補(bǔ)償磨耗位移，硬對(duì)硬摩擦副的運(yùn)轉(zhuǎn)壽命要比硬對(duì)石墨摩擦副的長(zhǎng)，因?yàn)楣腆w顆粒會(huì)嵌入石墨密封環(huán)的密封面內(nèi)。對(duì)策：在固體顆粒容易進(jìn)入的位置應(yīng)選用碳化鎢對(duì)碳化鎢摩擦副的機(jī)械密封。4、因其他問(wèn)題引起的機(jī)械密封滲漏機(jī)械密封中還存在設(shè)計(jì)、選擇、安裝等不夠合理的地方。（1）彈簧壓縮量一定要按規(guī)定進(jìn)行，不允許有過(guò)大或過(guò)小的現(xiàn)象，誤差±2mm，壓縮量過(guò)大增加端面比壓，摩擦熱量過(guò)多，造成密封面熱變形和加速端面磨損，壓縮量過(guò)小動(dòng)靜環(huán)端面比壓不足，則不能密封。（2）安裝動(dòng)環(huán)密封圈的軸（或軸套）端面及安裝靜環(huán)密封圈的密封壓蓋。WB2機(jī)械密封安慶109-50機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="WB2機(jī)械密封,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321487675449219/9092623.png"></div><p> 無(wú)壓燒結(jié)SiC?鎳基硬質(zhì)合金金屬件材料：?彈性元件常用材料：?彈簧：NS333（多彈簧），316L(單彈簧)?金屬波紋管：Inconel718（C型），NS333（B型）?金屬部件材料：?316L?備注：對(duì)于合金泵，機(jī)械密封的金屬件材料與泵過(guò)流部件等同，或者性能高于泵過(guò)流部件材料輔助密封材料：?機(jī)械密封輔助密封材料要求：彈性，耐蝕性，摩擦系數(shù)，耐溫，耐磨，機(jī)械性能（延伸，抗拉），加工性，抗化學(xué)性能（溶漲，溶解，變形，老化，污染）。?合成橡膠：丁腈橡膠（NBR）-丁二烯和丙烯晴共聚物-耐油;氟橡膠（FKM，VITON）-含氟烯烴共聚物-耐溫，耐油，耐蝕;乙丙橡膠（EPDM，EPM）-丙烯烴共聚物-耐溶劑，耐蒸汽;硅橡膠（Si）-二甲基硅烷與有機(jī)硅單體聚合物-熱穩(wěn)定性;氯丁橡膠（MPVQ，MVQ）-耐熱性，耐蝕性，耐臭氧性，耐侯性;全氟醚橡膠（FFKM，KALREZ）-全氟高聚彈性體-耐熱，耐蝕，抗老化;?聚四氟乙烯包覆橡膠/聚四氟乙烯（PTFE）-耐蝕;?柔性石墨（膨脹石墨）-耐蝕，耐高溫-一次性使用。</p><p> 依賴輔助密封的配合與另一端保持貼合，并相對(duì)滑動(dòng)，從而防止流體泄漏。四、機(jī)械密封常用材料的選用清水，常溫：（動(dòng)）9Cr18，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹(shù)脂石墨，青銅，酚醛塑料。河水（含泥沙），常溫：（動(dòng)）碳化鎢，（靜）碳化鎢。海水，常溫：（動(dòng)）碳化鎢，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹(shù)脂石墨，碳化鎢，金屬陶瓷。過(guò)熱水100度：（動(dòng)）碳化鎢，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹(shù)脂石墨，碳化鎢，金屬陶瓷。汽油，潤(rùn)滑油，液態(tài)烴，常溫：（動(dòng)）碳化鎢，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹(shù)脂或錫銻合金石墨，酚醛塑料。汽油，潤(rùn)滑油，液態(tài)烴，100度：（動(dòng)）碳化鎢，1Cr13堆焊鈷鉻鎢；（靜）浸青銅或樹(shù)脂石墨。汽油，潤(rùn)滑油，液態(tài)烴，含顆粒：（動(dòng)）碳化鎢；（靜）碳化鎢。五、密封材料的種類及用途密封材料應(yīng)滿足密封功能的要求。由于被密封的介質(zhì)不同，以及設(shè)備的工作條件不同，要求密封材料的具有不同的適應(yīng)性。對(duì)密封材料的要求一般是：1）材料致密性好，不易泄露介質(zhì)。2）有適當(dāng)?shù)臋C(jī)械強(qiáng)度和硬度。3）壓縮性和回彈性好，變形小。4）高溫下不軟化，不分解，低溫下不硬化，不脆裂。5）抗腐蝕性能好，在酸，堿，油等介質(zhì)中能長(zhǎng)期工作。江蘇波紋管機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="WB2機(jī)械密封,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361852998047/9239385.png"></div><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(huì)使密封面之間產(chǎn)生很高的密封壓力，從而會(huì)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(huì)降低機(jī)械密封的使用壽命。對(duì)機(jī)械密封加以平衡，可降低密封壓力，延長(zhǎng)密封的使用壽命。一般采用帶有臺(tái)階的主軸和軸套，降低旋轉(zhuǎn)面的有效截面，就可達(dá)到上述目的。不過(guò)千萬(wàn)別將凈密封壓力調(diào)節(jié)到接近零的水平，因?yàn)檫@樣做的結(jié)果可能會(huì)造成密封面之間的工作狀況不穩(wěn)定，并可能會(huì)因突然的變故而將密封吹開(kāi)。解決這些密封問(wèn)題的答案也許是采用非平衡式密封，對(duì)于某些服務(wù)來(lái)說(shuō)，也許采用非平衡式密封能達(dá)到更好的效果。例如，在某些應(yīng)用領(lǐng)域，與密封的使用壽命相比，也許更強(qiáng)調(diào)對(duì)液體泄漏造成的安全性問(wèn)題。在這種情況下，對(duì)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(shí)，操作溫度的增加也許是微不足道的。不管出于何種考慮，當(dāng)填料盒的壓力超過(guò)50psi時(shí)，一般推薦使用平衡式密封。內(nèi)密封和外密封通常的做法是將密封安裝在填料盒的內(nèi)部。但這種做法要求在密封維修時(shí)將液泵的濕端拆卸下來(lái)。連云港109-55機(jī)械密封件。WB2機(jī)械密封</p><p style="text-indent:25px">蕪湖橡膠波紋管機(jī)械密封件。WB2機(jī)械密封</p><p> 如油渣泵、回?zé)捰捅?、常減壓塔底泵等常見(jiàn)的失效現(xiàn)象。在密封面處由于干摩擦、冷卻水突然中斷，雜質(zhì)進(jìn)入密封面、抽空等情況下，都會(huì)導(dǎo)致環(huán)面出現(xiàn)徑向裂紋；b）石墨炭化是使用碳-石墨環(huán)時(shí)密封失效的主要原因之一。由于在使用中，如果石墨環(huán)一旦超過(guò)許用溫度（一般在-105～250℃）時(shí)，其表面會(huì)析出樹(shù)脂，摩擦面附近樹(shù)脂會(huì)發(fā)生炭化，當(dāng)有粘結(jié)劑時(shí)，會(huì)發(fā)泡軟化，使密封面泄漏增加，密封失效；c）輔助密封件（如氟橡膠、乙丙橡膠、全橡膠）在超過(guò)許用溫度后，將會(huì)迅速老化、龜裂、變硬失彈?，F(xiàn)在所使用的柔性石墨耐高溫、耐腐蝕性較好，但其回彈性差。而且易脆裂，安裝時(shí)容易損壞。6.由于密封端面的磨損而造成的密封失效a）摩擦副所用的材料耐磨性差、摩擦系數(shù)大、端面比壓（包括彈簧比壓）過(guò)大等,都會(huì)縮短機(jī)械密封的使用壽命。對(duì)常用的材料，按耐磨性排列的次序?yàn)椋禾蓟?碳石墨、硬質(zhì)合金-碳石墨、陶瓷-碳石墨、噴涂陶瓷--碳石墨、氮化硅陶瓷--碳石墨、高速鋼--碳石墨、堆焊硬質(zhì)合金--碳石墨。b）對(duì)于含有固體顆粒介質(zhì)，密封面進(jìn)入固體顆粒是導(dǎo)致使密封失效的主要原因。固體顆粒進(jìn)入摩擦副端面起研磨劑作用，使密封發(fā)生劇烈磨損而失效。密封面合理的間隙。WB2機(jī)械密封</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2559174.html</p></div></div></div></div></div><div id="cmj3zof" class="page-right twoColRt"><div id="bld4bda" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8ebqxu3" 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